/* Main CSS file for CarbonCredits.Store website */

/* Reset and base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary-color: #2ecc71; /* Green */
  --secondary-color: #3498db; /* Blue */
  --accent-color: #f39c12; /* Orange accent */
  --dark-color: #2c3e50;
  --light-color: #ecf0f1;
  --text-color: #333;
  --light-text: #fff;
  --transition: all 0.3s ease;
  --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  --border-radius: 5px;
}

body {
  font-family: 'Poppins', sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: #fff;
  overflow-x: hidden;
}

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

a:hover {
  color: var(--secondary-color);
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.btn {
  display: inline-block;
  padding: 12px 30px;
  background-color: var(--primary-color);
  color: var(--light-text);
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition);
  font-weight: 600;
  text-align: center;
}

.btn:hover {
  background-color: var(--secondary-color);
  transform: translateY(-3px);
  box-shadow: var(--box-shadow);
}

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

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

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

.btn-outline:hover {
  background-color: var(--primary-color);
  color: var(--light-text);
}

/* Header styles */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  z-index: 1000;
  transition: var(--transition);
}

.header.scrolled {
  padding: 10px 0;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
}

.logo {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary-color);
}

.logo span {
  color: var(--secondary-color);
}

.nav-menu {
  display: flex;
  align-items: center;
}

.nav-item {
  margin-left: 30px;
}

.nav-link {
  color: var(--text-color);
  font-weight: 500;
  position: relative;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary-color);
  transition: var(--transition);
}

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

.mobile-toggle {
  display: none;
  cursor: pointer;
}

.bar {
  display: block;
  width: 25px;
  height: 3px;
  margin: 5px auto;
  background-color: var(--text-color);
  transition: var(--transition);
}

/* Hero section */
.hero {
  height: 100vh;
  background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('../images/A_high-tech_sustainable_outdoor_farm_utilizing_AI_sens2.png');
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  color: var(--light-text);
  position: relative;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.hero-title {
  font-size: 3.5rem;
  margin-bottom: 20px;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 1.5rem;
  margin-bottom: 30px;
  font-weight: 300;
}

.hero-btns {
  display: flex;
  justify-content: center;
  gap: 20px;
}

/* About section */
.about {
  padding: 100px 0;
}

.section-title {
  text-align: center;
  margin-bottom: 60px;
  position: relative;
}

.section-title h2 {
  font-size: 2.5rem;
  color: var(--dark-color);
  margin-bottom: 20px;
}

.section-title p {
  max-width: 700px;
  margin: 0 auto;
  color: #777;
}

.about-content {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 50px;
  align-items: center;
}

.about-img img {
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
}

.about-text h3 {
  font-size: 2rem;
  margin-bottom: 20px;
  color: var(--primary-color);
}

.about-text p {
  margin-bottom: 20px;
}

/* Features section */
.features {
  padding: 100px 0;
  background-color: var(--light-color);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.feature-card {
  background-color: #fff;
  padding: 30px;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  transition: var(--transition);
  text-align: center;
}

.feature-card:hover {
  transform: translateY(-10px);
}

.feature-icon {
  font-size: 3rem;
  color: var(--primary-color);
  margin-bottom: 20px;
}

.feature-title {
  font-size: 1.5rem;
  margin-bottom: 15px;
}

/* Products section */
.products {
  padding: 100px 0;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.product-card {
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
}

.product-card:hover {
  transform: translateY(-5px);
}

.product-img {
  height: 250px;
  overflow: hidden;
}

.product-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.product-card:hover .product-img img {
  transform: scale(1.1);
}

.product-info {
  padding: 20px;
  background-color: #fff;
}

.product-title {
  font-size: 1.5rem;
  margin-bottom: 10px;
}

.product-desc {
  margin-bottom: 15px;
  color: #777;
}

.product-price {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 15px;
}

/* Services section */
.services {
  padding: 100px 0;
  background-color: var(--light-color);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.service-card {
  background-color: #fff;
  padding: 30px;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-5px);
}

.service-icon {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 20px;
}

.service-title {
  font-size: 1.5rem;
  margin-bottom: 15px;
}

/* Technology section */
.technology {
  padding: 100px 0;
}

.tech-content {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 50px;
  align-items: center;
}

.tech-img img {
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
}

.tech-text h3 {
  font-size: 2rem;
  margin-bottom: 20px;
  color: var(--primary-color);
}

.tech-text p {
  margin-bottom: 20px;
}

.tech-list {
  margin-top: 20px;
}

.tech-list li {
  margin-bottom: 10px;
  display: flex;
  align-items: center;
}

.tech-list li:before {
  content: '✓';
  color: var(--primary-color);
  margin-right: 10px;
  font-weight: bold;
}

/* CTA section */
.cta {
  padding: 80px 0;
  background-image: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('../images/A_visionary_closing_image_of_a_thriving_AI-driven_sustainability.png');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  color: var(--light-text);
  text-align: center;
}

.cta h2 {
  font-size: 2.5rem;
  margin-bottom: 20px;
}

.cta p {
  max-width: 700px;
  margin: 0 auto 30px;
}

/* Contact section */
.contact {
  padding: 100px 0;
}

.contact-content {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 50px;
}

.contact-info h3 {
  font-size: 2rem;
  margin-bottom: 30px;
  color: var(--primary-color);
}

.contact-details {
  margin-bottom: 30px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 20px;
}

.contact-icon {
  font-size: 1.5rem;
  color: var(--primary-color);
  margin-right: 15px;
}

.contact-text h4 {
  font-size: 1.2rem;
  margin-bottom: 5px;
}

.contact-form h3 {
  font-size: 2rem;
  margin-bottom: 30px;
  color: var(--primary-color);
}

.form-group {
  margin-bottom: 20px;
}

.form-control {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid #ddd;
  border-radius: var(--border-radius);
  font-family: inherit;
  font-size: 1rem;
}

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

/* Footer */
.footer {
  background-color: var(--dark-color);
  color: var(--light-text);
  padding: 70px 0 20px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  margin-bottom: 50px;
}

.footer-logo {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--light-text);
  margin-bottom: 20px;
}

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

.footer-desc {
  margin-bottom: 20px;
}

.footer-social {
  display: flex;
  gap: 15px;
}

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  color: var(--light-text);
  transition: var(--transition);
}

.social-link:hover {
  background-color: var(--primary-color);
  color: var(--light-text);
}

.footer-title {
  font-size: 1.2rem;
  margin-bottom: 25px;
  position: relative;
}

.footer-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 50px;
  height: 2px;
  background-color: var(--primary-color);
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: #aaa;
  transition: var(--transition);
}

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

.footer-contact li {
  display: flex;
  margin-bottom: 15px;
}

.footer-contact-icon {
  margin-right: 15px;
  color: var(--primary-color);
}

.footer-bottom {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Responsive styles */
@media (max-width: 992px) {
  .features-grid,
  .product-grid,
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-content {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .mobile-toggle {
    display: block;
  }
  
  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background-color: #fff;
    width: 100%;
    text-align: center;
    transition: 0.3s;
    box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
    padding: 20px 0;
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .nav-item {
    margin: 15px 0;
  }
  
  .about-content,
  .tech-content,
  .contact-content {
    grid-template-columns: 1fr;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.2rem;
  }
  
  .hero-btns {
    flex-direction: column;
    gap: 10px;
  }
  
  .section-title h2 {
    font-size: 2rem;
  }
}

@media (max-width: 576px) {
  .features-grid,
  .product-grid,
  .services-grid,
  .footer-content {
    grid-template-columns: 1fr;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .section-title h2 {
    font-size: 1.8rem;
  }
}