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

:root {
  --primary-color: #2d3436;
  --secondary-color: #636e72;
  --accent-color: #e17055;
  --light-bg: #f8f9fa;
  --white: #ffffff;
  --text-dark: #2d3436;
  --text-light: #636e72;
  --border-color: #dfe6e9;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);
}

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: var(--text-dark);
  line-height: 1.6;
  background-color: var(--white);
}

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

/* Navigation */
.navbar {
  background-color: var(--white);
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.8rem;
  font-weight: bold;
  color: var(--primary-color);
  letter-spacing: 2px;
}

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

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

.nav-links a:hover {
  color: var(--accent-color);
}

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

/* Hero Section */
.hero {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: var(--white);
  padding: 120px 20px;
  text-align: center;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-content h1 {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  font-weight: bold;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.hero-content p {
  font-size: 1.3rem;
  margin-bottom: 2rem;
  opacity: 0.95;
}

.cta-button {
  background-color: var(--accent-color);
  color: var(--white);
  border: none;
  padding: 15px 40px;
  font-size: 1.1rem;
  border-radius: 50px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-lg);
  font-weight: 600;
}

.cta-button:hover {
  background-color: #d0431a;
  transform: translateY(-3px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

/* Products Section */
.products {
  padding: 80px 20px;
  background-color: var(--light-bg);
}

.products h2,
.features h2,
.about h2,
.contact h2 {
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: 1rem;
  color: var(--primary-color);
}

.section-subtitle {
  text-align: center;
  color: var(--text-light);
  margin-bottom: 3rem;
  font-size: 1.1rem;
}

.category {
  margin-bottom: 4rem;
}

.category h3 {
  font-size: 2rem;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.category > p {
  color: var(--text-light);
  margin-bottom: 2rem;
  font-size: 1rem;
}

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

.product-card {
  background-color: var(--white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  cursor: pointer;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.product-image {
  width: 100%;
  height: 200px;
  background-size: cover;
  background-position: center;
}

.product-card h4 {
  padding: 1.5rem 1.5rem 0.5rem;
  color: var(--primary-color);
  font-size: 1.2rem;
}

.product-price {
  padding: 0 1.5rem;
  color: var(--accent-color);
  font-weight: bold;
  font-size: 1.3rem;
}

.product-desc {
  padding: 0.5rem 1.5rem 1.5rem;
  color: var(--text-light);
  font-size: 0.95rem;
}

/* Features Section */
.features {
  padding: 80px 20px;
  background-color: var(--white);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 3rem;
  margin-top: 3rem;
}

.feature-item {
  text-align: center;
  padding: 2rem;
  border-radius: 12px;
  background-color: var(--light-bg);
  transition: transform 0.3s ease;
}

.feature-item:hover {
  transform: translateY(-5px);
}

.feature-number {
  font-size: 3rem;
  font-weight: bold;
  color: var(--accent-color);
  margin-bottom: 1rem;
}

.feature-item h3 {
  color: var(--primary-color);
  margin-bottom: 1rem;
  font-size: 1.3rem;
}

.feature-item p {
  color: var(--text-light);
  line-height: 1.6;
}

/* About Section */
.about {
  padding: 80px 20px;
  background-color: var(--light-bg);
}

.about-content {
  max-width: 800px;
  margin: 0 auto;
}

.about-text {
  background-color: var(--white);
  padding: 3rem;
  border-radius: 12px;
  box-shadow: var(--shadow);
}

.about-text p {
  color: var(--text-dark);
  margin-bottom: 1.5rem;
  font-size: 1.05rem;
  line-height: 1.8;
}

.about-list {
  list-style: none;
  margin-top: 2rem;
}

.about-list li {
  padding: 0.7rem 0;
  color: var(--text-dark);
  font-size: 1rem;
}

/* Contact Section */
.contact {
  padding: 80px 20px;
  background-color: var(--white);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-top: 3rem;
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}

.contact-info {
  display: grid;
  gap: 2rem;
}

.contact-item h4 {
  color: var(--primary-color);
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
}

.contact-item p {
  color: var(--text-light);
}

.contact-item a {
  color: var(--accent-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

.contact-item a:hover {
  color: var(--primary-color);
}

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

.contact-form input,
.contact-form textarea {
  padding: 12px 15px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-family: inherit;
  font-size: 1rem;
  transition: border-color 0.3s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px rgba(225, 112, 85, 0.1);
}

.form-button {
  background-color: var(--accent-color);
  color: var(--white);
  border: none;
  padding: 12px 30px;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.form-button:hover {
  background-color: #d0431a;
  transform: translateY(-2px);
}

/* Footer */
.footer {
  background-color: var(--primary-color);
  color: var(--white);
  padding: 3rem 20px 1rem;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-section h4 {
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

.footer-section p {
  color: #bdc3c7;
  margin-bottom: 1rem;
}

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

.footer-section ul li {
  margin-bottom: 0.5rem;
}

.footer-section a {
  color: #bdc3c7;
  text-decoration: none;
  transition: color 0.3s ease;
}

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

.social-links {
  display: flex;
  gap: 1.5rem;
}

.social-link {
  display: inline-block;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.5rem;
  text-align: center;
  color: #bdc3c7;
  font-size: 0.9rem;
}

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

/* Responsive Design */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    flex-direction: column;
    background-color: var(--white);
    padding: 1rem;
    box-shadow: var(--shadow);
    gap: 0;
  }

  .nav-links.active {
    display: flex;
  }

  .nav-links li {
    padding: 0.8rem 0;
    border-bottom: 1px solid var(--border-color);
  }

  .menu-toggle {
    display: block;
  }

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

  .hero-content p {
    font-size: 1rem;
  }

  .hero {
    padding: 60px 20px;
    min-height: 400px;
  }

  .products h2,
  .features h2,
  .about h2,
  .contact h2 {
    font-size: 2rem;
  }

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

  .product-grid {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
  }
}

@media (max-width: 480px) {
  .hero-content h1 {
    font-size: 1.5rem;
  }

  .products,
  .features,
  .about,
  .contact {
    padding: 40px 20px;
  }

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

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

  .about-text {
    padding: 1.5rem;
  }
}