body {
  font-family: 'Inter', sans-serif;
  margin: 0;
  padding: 0;
  line-height: 1.7; /* slightly more readable */
  color: #1a1a1a;
  background-color: #fdfdfd;
}

.container {
  max-width: 860px;
  margin: 0 auto;
  padding: 2rem 1.2rem;
}

header {
  background: #101820;
  color: #fff;
  padding: 3rem 1.2rem;
  text-align: center;
  background-attachment: fixed;
  background-size: cover;
  background-position: center 0;
  transition: background-position 0.3s cubic-bezier(0.4,0,0.2,1);
}

header h1 {
  margin: 0;
  font-size: 2.5rem;
  color: #e63946;
  letter-spacing: -0.5px;
}

header .tagline {
  margin-top: 0.8rem;
  font-weight: 400;
  font-size: 1.15rem;
  opacity: 0.95;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

main h2 {
  margin-top: 3rem;
  font-size: 1.75rem;
  border-bottom: 2px solid #e63946;
  padding-bottom: 0.4rem;
  margin-bottom: 1rem;
}

main h3 {
  margin-top: 2rem;
  font-size: 1.2rem;
  color: #444;
}

ul {
  padding-left: 1.4rem;
  margin-top: 0.6rem;
}

ul li {
  margin-bottom: 0.5rem;
}

ul li strong {
  color: #e63946;
  font-weight: 600;
}

p {
  margin-top: 0.8rem;
  margin-bottom: 1.2rem;
}

.contact {
  margin-top: 4rem;
  text-align: center;
}

.contact strong {
  color: #e63946;
  font-size: 1.2rem;
  display: inline-block;
  margin-top: 0.5rem;
}

footer {
  text-align: center;
  font-size: 0.9rem;
  color: #888;
  margin-top: 4rem;
  padding: 2rem 0;
  border-top: 1px solid #eee;
}

/* Fade-in effect for sections */
main section, .contact {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.9s cubic-bezier(0.4,0,0.2,1), transform 0.9s cubic-bezier(0.4,0,0.2,1);
}

main section.fade-in, .contact.fade-in {
  opacity: 1;
  transform: none;
}

@media (max-width: 600px) {
  header {
    padding: 2rem 1rem;
  }

  header h1 {
    font-size: 2rem;
  }

  header .tagline {
    font-size: 1rem;
  }

  .container {
    padding: 1.5rem 1rem;
  }

  main h2 {
    font-size: 1.5rem;
  }

  main h3 {
    font-size: 1.1rem;
  }

  ul {
    padding-left: 1.2rem;
  }

  .contact strong {
    font-size: 1rem;
  }
}