html,
body {
  width: 100%;
  height: auto;
  font-family: 'Chillax', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background-color: var(--bg);
  scroll-behavior: smooth;
}

.app {
  position: relative;
  width: 100%;
  height: 100%;
}

section {
  position: relative;
  width: 100vw;
  overflow-x: hidden;
}

/* Navigation */
.main-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 3rem;
  z-index: 1000;
  transition: background-color 0.3s ease, backdrop-filter 0.3s ease;
}

.main-nav.scrolled {
  background-color: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.05);
}

.nav-logo a {
  font-family: 'Chillax', sans-serif;
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
  transition: color 0.3s ease;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
  text-decoration: none;
  transition: color 0.3s ease, opacity 0.2s ease;
}

.nav-links a:hover {
  color: var(--accent);
  opacity: 1;
}

.nav-links .nav-cta {
  background-color: var(--accent);
  color: white !important;
  padding: 0.6rem 1.25rem;
  border-radius: 6px;
  transition: background-color 0.2s ease, transform 0.2s ease;
}

.nav-links .nav-cta:hover {
  background-color: var(--accent-darker);
  opacity: 1;
  transform: translateY(-1px);
}


/* Section titles */
.section-title {
  font-family: 'Chillax', sans-serif;
  font-size: 2.5rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 2rem;
  text-align: center;
}

/* Mobile navigation */
@media (max-width: 768px) {
  .main-nav {
    padding: 1rem 1.5rem;
  }

  .nav-logo a {
    font-size: 1.15rem;
  }

  .nav-links {
    gap: 1.25rem;
  }

  .nav-links a {
    font-size: 0.8rem;
  }

  .nav-links .nav-cta {
    padding: 0.5rem 1rem;
  }

  .section-title {
    font-size: 2rem;
  }
}

@media (max-width: 480px) {
  .nav-links a:not(.nav-cta) {
    display: none;
  }
}