:root {
  --primary-color: #333333;
  --secondary-color: #F5F5DC;
  --background-color: #FFFFFF;
  --footer-bg-color: #000000;
  --button-color: #333333;
  --section-bg-1: #F5F5DC;
  --section-bg-2: #E8E8E8;
  --section-bg-3: #DCDCDC;
  --font-main: 'Montserrat', sans-serif;
  --transition-base: all 0.3s ease;
}

body {
  font-family: var(--font-main);
  background-color: var(--background-color);
  color: var(--primary-color);
  line-height: 1.7;
  margin: 0;
  padding: 0;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

h1 {
  font-size: 2.5rem;
  line-height: 1.2;
}

h2 {
  font-size: 2rem;
}

p {
  margin-bottom: 1.5rem;
  max-width: 65ch;
}

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

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

a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--primary-color);
  transition: var(--transition-base);
}

a:hover::after {
  width: 100%;
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background-color: var(--button-color);
  color: white;
  border: none;
  border-radius: 0;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: var(--transition-base);
  cursor: pointer;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.section {
  padding: 4rem 0;
}

.section-bg-1 {
  background-color: var(--section-bg-1);
}

.section-bg-2 {
  background-color: var(--section-bg-2);
}

.section-bg-3 {
  background-color: var(--section-bg-3);
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

header {
  padding: 1.5rem 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

footer {
  background-color: var(--footer-bg-color);
  color: white;
  padding: 3rem 0;
}

.card {
  background-color: white;
  padding: 2rem;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
  transition: var(--transition-base);
}

.card:hover {
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

@media (max-width: 768px) {
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.75rem;
  }
  
  .section {
    padding: 2.5rem 0;
  }
}