:root {
  --primary-background-color: #121212;
  --secondary-background-color: #1e1e1e;
  --primary-accent: #5a9bf6;
  --secondary-accent: #33c9e0;
  --main-text-color: #f5f5f5;
  --call-to-action-btn: #ffd369;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  scroll-padding-top: 100px;
}

body {
  background-color: var(--primary-background-color);
  padding-top: 150px;
}

.divider {
  border-bottom: 1px solid var(--main-text-color);
  margin: 1rem 2rem 4rem 2rem;
}

#nav-bar {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 999;
  padding: 1rem 2rem;
  background-color: var(--primary-background-color);
  color: var(--main-text-color);
  overflow: hidden;
  padding: 1rem 0;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  flex-wrap: wrap;
  padding-left: 1rem;
}

#header-img {
  height: 40px;
  max-width: 120px;
  width: auto;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
  margin-right: 1rem;
}

.nav-links li a {
  color: var(--main-text-color);
  text-decoration: none;
  font-size: 1rem;
  transition: color 0.3s ease;
  white-space: none;
}

.nav-links li a:hover {
  color: var(--primary-accent);
}

.nav-links li a:active {
  color: var(--primary-accent);
}

#header h2 {
  margin: 1rem;
  font-size: 4rem;
  color: var(--main-text-color);
  text-align: center;
}

#header h3 {
  margin: 1rem;
  font-size: 3rem;
  color: var(--primary-accent);
  text-align: center;
}

#video-div {
  display: flex;
  justify-content: center;
  align-items: center;
}

#video {
  max-width: 100%;
  width: 300px;
  height: auto;
  border-radius: 10px;
}

#main-section h4 {
  margin: 1.5rem;
  font-size: 1.5rem;
  color: var(--main-text-color);
  text-align: center;
}

#features h2 {
  margin: 2rem;
  color: var(--main-text-color);
  text-align: center;
  font-size: 2rem;
}

#feature-section {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: row;
  flex-wrap: wrap;
}

#features .feature {
  margin: 1rem;
  padding: auto;
  width: 300px;
  height: 200px;
  background-color: var(--secondary-background-color);
  color: var(--main-text-color);
  text-align: center;
  border-radius: 10px;
}

#features .feature h4 {
  color: var(--primary-accent);
}

#testimonials span {
  color: var(--secondary-accent);
}

#testimonials {
  text-align: center;
  color: var(--main-text-color);
  font-size: 1.25rem;
}

#testimonials h2,
#testimonials p {
  margin: 2rem;
  padding: 1rem;
}

.q-and-a,
.q-and-a h2 {
  text-align-last: left;
}

.q-and-a p {
  color: var(--main-text-color);
  margin: 2rem;
  font-size: 1rem;
}

.q-and-a h4 span {
  color: var(--secondary-accent);
}

.q-and-a p span {
  color: var(--primary-accent);
}

#faq h2 {
  font-size: 1.5rem;
  color: var(--main-text-color);
  text-align: center;
}

#subscription {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  color: var(--main-text-color);
}

#subscription h2 {
  text-align: center;
  margin: 2rem;
  color: var(--primary-accent);
}

#subscription input {
  font-size: 1.25rem;
  border-radius: 10px;
  padding: 0.5rem;
}

#subscription #submit {
  background-color: var(--call-to-action-btn);
}

footer {
  color: var(--main-text-color);
  text-align: center;
  margin: 1rem;
  font-size: 1rem;
}

footer span {
  color: var(--secondary-accent);
}

@media (max-width: 768px) {
  #feature-section {
    flex-direction: column;
  }

  #features .feature {
    margin: 1rem;
    width: 80%;
    height: 40vh;
  }
}