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

:root {
  --color-primary: #FF6B35;
  --color-secondary: #4ECDC4;
  --color-accent: #FFD93D;
  --color-success: #6BCF7F;
  --color-text: #2C3E50;
  --color-text-light: #6C757D;
  --color-bg: #FFFFFF;
  --color-bg-light: #F8F9FA;
  --color-border: #E9ECEF;
  --spacing-unit: 8px;
  --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
  font-family: var(--font-primary);
  line-height: 1.5;
  color: var(--color-text);
  background-color: var(--color-bg);
  margin: 0;
  padding: 0;
}

h1 {
  font-size: 3rem;
  line-height: 1.2;
  font-weight: 700;
  margin-bottom: calc(var(--spacing-unit) * 3);
}

h2 {
  font-size: 2.5rem;
  line-height: 1.2;
  font-weight: 700;
  margin-bottom: calc(var(--spacing-unit) * 3);
  text-align: center;
  color: var(--color-text);
}

h3 {
  font-size: 1.5rem;
  line-height: 1.3;
  font-weight: 600;
  margin-bottom: calc(var(--spacing-unit) * 2);
}

h4 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: calc(var(--spacing-unit) * 2);
}

p {
  line-height: 1.5;
  margin-bottom: calc(var(--spacing-unit) * 2);
  color: var(--color-text-light);
}

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

a:hover {
  text-decoration: underline;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 calc(var(--spacing-unit) * 3);
}

.header {
  padding: calc(var(--spacing-unit) * 3) 0;
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

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

.logo-container {
  display: flex;
  align-items: center;
  gap: calc(var(--spacing-unit) * 2);
}

.logo-icon {
  display: block;
}

.brand-name {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
}

.hero {
  padding: calc(var(--spacing-unit) * 10) 0;
  background: linear-gradient(135deg, #F8F9FA 0%, #E9ECEF 100%);
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: calc(var(--spacing-unit) * 6);
  align-items: center;
  min-height: 500px;
}

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

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: calc(var(--spacing-unit) * 3);
  color: var(--color-text);
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--color-text-light);
  margin-bottom: calc(var(--spacing-unit) * 4);
  line-height: 1.6;
}

.hero-cta {
  display: flex;
  gap: calc(var(--spacing-unit) * 2);
  flex-wrap: wrap;
}

.hero-image {
  width: 100%;
  height: 450px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: calc(var(--spacing-unit) * 3);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.features {
  padding: calc(var(--spacing-unit) * 10) 0;
  background-color: var(--color-bg);
  text-align: center;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: calc(var(--spacing-unit) * 4);
  margin-top: calc(var(--spacing-unit) * 6);
}

.feature-card {
  text-align: center;
  padding: calc(var(--spacing-unit) * 4);
}

.feature-icon {
  margin-bottom: calc(var(--spacing-unit) * 3);
}

.feature-card h3 {
  color: var(--color-text);
  margin-bottom: calc(var(--spacing-unit) * 2);
}

.feature-card p {
  font-size: 1rem;
}

.products {
  padding: calc(var(--spacing-unit) * 10) 0;
  background-color: var(--color-bg-light);
  text-align: center;
}

.section-subtitle {
  text-align: center;
  font-size: 1.125rem;
  color: var(--color-text-light);
  margin-bottom: calc(var(--spacing-unit) * 6);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: calc(var(--spacing-unit) * 4);
  margin-top: calc(var(--spacing-unit) * 6);
}

.product-card {
  background-color: var(--color-bg);
  border-radius: calc(var(--spacing-unit) * 2);
  padding: calc(var(--spacing-unit) * 3);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.product-image {
  width: 100%;
  height: 200px;
  border-radius: calc(var(--spacing-unit));
  margin-bottom: calc(var(--spacing-unit) * 3);
  overflow: hidden;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: calc(var(--spacing-unit) * 2);
}

.product-price {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: calc(var(--spacing-unit) * 2);
  text-align: center;
}

.product-card h3 {
  color: var(--color-text);
  margin-bottom: calc(var(--spacing-unit) * 2);
}

.product-card p {
  margin-bottom: calc(var(--spacing-unit) * 3);
  font-size: 0.95rem;
}

.btn {
  display: inline-block;
  padding: calc(var(--spacing-unit) * 1.5) calc(var(--spacing-unit) * 4);
  border-radius: calc(var(--spacing-unit));
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  border: none;
  font-size: 1rem;
}

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

.btn-primary:hover {
  background-color: #E55A2B;
  text-decoration: none;
  transform: translateY(-1px);
}

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

.btn-secondary:hover {
  background-color: #3DBDB6;
  text-decoration: none;
  transform: translateY(-1px);
}

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

.btn-outline:hover {
  background-color: var(--color-primary);
  color: white;
  text-decoration: none;
  transform: translateY(-1px);
}

.how-it-works {
  padding: calc(var(--spacing-unit) * 10) 0;
  background-color: var(--color-bg);
  text-align: center;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: calc(var(--spacing-unit) * 5);
  margin-top: calc(var(--spacing-unit) * 6);
}

.step {
  text-align: center;
}

.step-number {
  width: 60px;
  height: 60px;
  background-color: var(--color-primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 auto calc(var(--spacing-unit) * 3);
}

.step h3 {
  margin-bottom: calc(var(--spacing-unit) * 2);
}

.categories {
  padding: calc(var(--spacing-unit) * 10) 0;
  background-color: var(--color-bg-light);
  text-align: center;
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: calc(var(--spacing-unit) * 3);
  margin-top: calc(var(--spacing-unit) * 6);
}

.category-card {
  background-color: var(--color-bg);
  padding: calc(var(--spacing-unit) * 4);
  border-radius: calc(var(--spacing-unit) * 2);
  text-align: center;
  border: 2px solid var(--color-border);
}

.category-card:hover {
  border-color: var(--color-primary);
}

.category-card h3 {
  color: var(--color-text);
  margin-bottom: calc(var(--spacing-unit) * 2);
}

.category-card p {
  margin: 0;
  font-size: 0.95rem;
}

.testimonials {
  padding: calc(var(--spacing-unit) * 10) 0;
  background-color: var(--color-bg);
  text-align: center;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: calc(var(--spacing-unit) * 4);
  margin-top: calc(var(--spacing-unit) * 6);
}

.testimonial-card {
  background-color: var(--color-bg-light);
  padding: calc(var(--spacing-unit) * 4);
  border-radius: calc(var(--spacing-unit) * 2);
  text-align: center;
}

.testimonial-image {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  margin: 0 auto calc(var(--spacing-unit) * 3);
  overflow: hidden;
}

.testimonial-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.testimonial-text {
  font-style: italic;
  margin-bottom: calc(var(--spacing-unit) * 2);
  color: var(--color-text);
}

.testimonial-author {
  font-weight: 600;
  color: var(--color-text);
  margin: 0;
}

.tips {
  padding: calc(var(--spacing-unit) * 10) 0;
  background-color: var(--color-bg-light);
  text-align: center;
}

.tips-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: calc(var(--spacing-unit) * 4);
  margin-top: calc(var(--spacing-unit) * 6);
}

.tip-card {
  background-color: var(--color-bg);
  padding: calc(var(--spacing-unit) * 4);
  border-radius: calc(var(--spacing-unit) * 2);
  border-left: 4px solid var(--color-secondary);
}

.tip-card h3 {
  color: var(--color-text);
  margin-bottom: calc(var(--spacing-unit) * 2);
}

.tip-card p {
  margin: 0;
}

.contact {
  padding: calc(var(--spacing-unit) * 10) 0;
  background-color: var(--color-bg);
  text-align: center;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: calc(var(--spacing-unit) * 4);
  margin-top: calc(var(--spacing-unit) * 6);
}

.contact-item {
  text-align: center;
  padding: calc(var(--spacing-unit) * 3);
}

.contact-icon {
  margin-bottom: calc(var(--spacing-unit) * 3);
}

.contact-item h3 {
  color: var(--color-text);
  margin-bottom: calc(var(--spacing-unit) * 2);
}

.contact-item p {
  margin: 0;
}

.contact-item a {
  color: var(--color-primary);
  font-weight: 500;
}

.footer {
  background-color: var(--color-text);
  color: white;
  padding: calc(var(--spacing-unit) * 6) 0 calc(var(--spacing-unit) * 3);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: calc(var(--spacing-unit) * 6);
  margin-bottom: calc(var(--spacing-unit) * 4);
}

.footer-brand {
  flex: 1;
  max-width: 400px;
}

.footer-brand .logo-container {
  margin-bottom: calc(var(--spacing-unit) * 2);
}

.footer-brand .brand-name {
  color: white;
}

.footer-brand p {
  color: #CED4DA;
  margin: 0;
}

.footer-navigation {
  flex: 1;
  display: flex;
  justify-content: flex-end;
}

.footer-links {
  display: flex;
  gap: calc(var(--spacing-unit) * 4);
}

.footer-column h4 {
  color: white;
  margin-bottom: calc(var(--spacing-unit) * 2);
}

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

.footer-column li {
  margin-bottom: calc(var(--spacing-unit));
}

.footer-column a {
  color: #CED4DA;
  text-decoration: none;
}

.footer-column a:hover {
  color: white;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: calc(var(--spacing-unit) * 3);
  text-align: center;
}

.footer-bottom p {
  color: #CED4DA;
  margin: 0;
}

@media (max-width: 768px) {
  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.75rem;
  }

  .hero-content {
    grid-template-columns: 1fr;
    gap: calc(var(--spacing-unit) * 4);
    text-align: center;
  }

  .hero-text {
    text-align: center;
    order: 2;
  }

  .hero-image {
    order: 1;
    height: 300px;
  }

  .hero-img {
    border-radius: calc(var(--spacing-unit) * 2);
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1.125rem;
  }

  .features-grid,
  .products-grid,
  .steps-grid,
  .categories-grid,
  .testimonials-grid,
  .tips-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

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

  .footer-navigation {
    justify-content: center;
  }

  .footer-links {
    flex-direction: column;
    align-items: center;
    gap: calc(var(--spacing-unit) * 3);
  }

  .product-image img {
    border-radius: calc(var(--spacing-unit) * 1.5);
  }
}