:root {
  --color-green: #28a745;
  --color-yellow: #ffc107;
  --color-blue: #007bff;
  --color-white: #ffffff;
  --font-family: 'Inter', sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-family);
  color: #333;
  background-color: var(--color-white);
  line-height: 1.6;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background-color: var(--color-blue);
  color: var(--color-white);
}

header .logo {
  height: 40px;
}

header nav a {
  color: var(--color-white);
  margin-left: 1rem;
  text-decoration: none;
  font-weight: 600;
}

.hero {
  text-align: center;
  padding: 4rem 1rem;
  background: linear-gradient(135deg, var(--color-blue), var(--color-green));
  color: var(--color-white);
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.hero .cta {
  display: inline-block;
  margin-top: 2rem;
  padding: 0.75rem 1.5rem;
  background-color: var(--color-yellow);
  color: #000;
  text-decoration: none;
  border-radius: 4px;
  font-weight: 600;
}

.services {
  padding: 3rem 1rem;
}

.services h2 {
  text-align: center;
  margin-bottom: 2rem;
  color: var(--color-blue);
}

.products {
  padding: 3rem 1rem;
  background-color: #f8f9fa;
}

.products h2 {
  text-align: center;
  margin-bottom: 2rem;
  color: var(--color-blue);
}

.product-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
}

.product-list article {
  flex: 1 1 260px;
  max-width: 320px;
  background-color: #ffffff;
  border-radius: 12px;
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.06);
  padding: 2rem 1.5rem;
  text-align: center;
}

.product-logo {
  width: 80px;
  height: 80px;
  margin-bottom: 1.5rem;
}

.product-cta {
  display: inline-block;
  margin-top: 1.5rem;
  padding: 0.65rem 1.5rem;
  background-color: var(--color-blue);
  color: var(--color-white);
  text-decoration: none;
  border-radius: 999px;
  font-weight: 600;
}

.service-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
}

.service-list article {
  flex: 1 1 250px;
  border-top: 4px solid var(--color-green);
  padding: 1rem;
  max-width: 300px;
}

.contact {
  padding: 3rem 1rem;
  background-color: var(--color-blue);
  color: var(--color-white);
  text-align: center;
}

.contact .email a {
  color: var(--color-yellow);
  font-size: 1.25rem;
  font-weight: 600;
  text-decoration: none;
}

footer {
  text-align: center;
  padding: 1rem;
  background-color: #f5f5f5;
  font-size: 0.875rem;
}