:root {
  --red: #720f11;
  --gray: #1e1f20;
  --white: #ffffff;
  --light-gray: #f5f5f5;
}

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

html, body {
  font-family: 'Karla', sans-serif;
  background-color: var(--gray);
  color: var(--white);
  overflow-x: hidden;
}

/* Hero Banner */
#hero {
  position: relative;
  height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-overlay {
  text-align: center;
  background: rgba(0, 0, 0, 0.55);
  padding: 3vh 5vw;
  border-radius: 12px;
}

.hero-overlay h1 {
  font-size: 4vw;
  margin-bottom: 1vh;
  letter-spacing: 2px;
}

.hero-overlay p {
  font-size: 1.5vw;
  color: #ddd;
}

/* Content Sections */
.content {
  padding: 8vh 12vw;
  text-align: center;
}

.content h2 {
  font-size: 2.5vw;
  margin-bottom: 2vh;
  color: var(--red);
}

.content p {
  font-size: 1.3vw;
  max-width: 900px;
  margin: 0 auto;
  line-height: 1.8;
}

/* Alternating backgrounds */
.light {
  background-color: var(--light-gray);
  color: var(--gray);
}

.dark {
  background-color: var(--gray);
  color: var(--white);
}

.highlight {
  background-color: var(--red);
  color: var(--white);
}

.highlight h2 {
  color: var(--white);
}

/* Mobile responsiveness */
@media (max-width: 768px) {
  .hero-overlay h1 {
    font-size: 8vw;
  }
  .hero-overlay p {
    font-size: 4vw;
  }
  .content h2 {
    font-size: 6vw;
  }
  .content p {
    font-size: 4vw;
    padding: 0 4vw;
  }
}