:root {
  --shadow: 0 0 10px rgba(0, 0, 0, 0.3);
  --primary-color: #56bfb5;
  --secondary-color: #18403c;
  --tertiary-color: #a3d9d3;
  --quaternary-color: #262223;
  --quinary-color: #f2f2f2;
  --dark-linear-gradient: linear-gradient(
    var(--secondary-color) 0%,
    var(--secondary-color) 85%,
    rgb(35, 35, 35) 100%
  );
}

html {
  scroll-behavior: smooth;
}

/* General Styles */
body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  background-color: black;
  color: var(--quinary-color);
  display: grid;
  grid-template-columns: 1fr 60vw 1fr; /* Three columns layout */
  row-gap: 30vh;
  justify-items: center; /* Center items horizontally */
  text-align: center; /* Center text */
}

/* Header Styles */
#header {
  background-color: var(--primary-color);
  width: 100%;
  grid-column: 1 / -1; /* Span all columns */
  height: 50px;
  color: var(--quinary-color);
  padding: 20px 20px 20px 80px;
  text-align: center;
  position: fixed;
  display: flex;
  flex-direction: row;
  justify-content: left;
  box-shadow: var(--shadow);
  z-index: 999;
}

#header-img {
  max-width: 150px;
  height: auto;
  border-radius: 8px 0px 0px 8px;
  box-shadow: var(--shadow);
}

/* Navigation Bar Styles */
#nav-bar {
  background: var(--dark-linear-gradient);
  color: var(--quinary-color);
  overflow: hidden;
  box-shadow: var(--shadow);
  border-radius: 0px 8px 8px 0px;
}

#nav-bar ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

#nav-bar li {
  display: inline;
}

#nav-bar a {
  display: inline-block;
  color: var(--quinary-color);
  text-align: center;
  padding: 14px 20px;
  text-decoration: none;
  transition: transform 0.2s linear;
}

#nav-bar a:hover {
  background-color: hsl(from var(--secondary-color) h s 29);
  transform: scaleY(90%) scaleX(95%);
}

/* Hero Section Styles */
#hero {
  padding: 260px 350px 0px 350px;
  color: var(--quinary-color);
  text-align: center;
  grid-column: 2; /* Center in the middle column */
}

#hero h1 {
  font-size: 1.3rem;
  font-weight: lighter;
  padding: 10px;
  margin: 0;
}

#hero h2,
#hero h3 {
  font-size: 4rem;
  font-weight: 800;
  padding: 5px;
  margin: 0;
}

#hero h3 {
  background: linear-gradient(
    90deg,
    var(--primary-color) 0%,
    var(--secondary-color) 55%,
    var(--tertiary-color) 90%,
    var(--quinary-color) 100%
  );
  background-size: 200% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text; /* For some other browsers like Firefox */
  color: transparent; /* Fallback for older browsers */
  animation: wave-gradient 10s ease-in-out 0ms infinite;
}

#hero p {
  font-size: 1.1rem;
  font-weight: lighter;
  padding: 30px 50px;
  margin: 0;
}

#form {
  margin: 20px 0;
}

#email {
  padding: 10px;
  width: 300px;
  max-width: 100%;
  border: none;
  border-radius: 5px;
  background: linear-gradient(lightgray 0%, lightgray 85%, gray 100%);
  box-shadow: var(--shadow);
  color: black !important;
}

#submit {
  padding: 10px 20px;
  border: none;
  background: var(--dark-linear-gradient);
  color: white;
  border-radius: 5px;
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: transform 0.15s linear;
}

#submit:hover {
  transform: scale(1.3) translate(1rem);
  background: linear-gradient(
    90deg,
    var(--primary-color) 0%,
    var(--secondary-color) 55%,
    var(--tertiary-color) 90%,
    var(--primary-color) 100%
  );
  background-size: 200% 100%;
  animation: wave-gradient 10s ease-in-out 0ms infinite;
}

@keyframes wave-gradient {
  0% {
    background-position: 200% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

/* Section Styles */
section {
  padding: 60px 20px;
  text-align: center;
  grid-column: 2; /* Center in the middle column */
}

iframe {
  width: 100%;
  height: 350px;
}

#features {
  background-color: rgb(28, 28, 28);
  padding: 20px;
  border-radius: 8px;
  width: 100%;
}

#features h2 {
  margin-bottom: 20px;
}

#features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}

.feature-card {
  background-color: white;
  color: var(--secondary-color);
  border-radius: 8px;
  padding: 20px;
  box-shadow: var(--shadow);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: 10px;
  color: var(--primary-color);
}

.feature-title {
  font-size: 1.25rem;
  margin: 10px 0;
  font-weight: bold;
}

.feature-description {
  font-size: 1rem;
  font-weight: lighter;
}

#features,
#how_it_works,
#pricing {
  background-color: rgb(28, 28, 28);
  max-width: 550px;
  padding-top: 20px;
  position: relative; /* Added for pseudo-element positioning */
  border-radius: 8px;
  width: 100%; /* Adjust width as needed */
}

#features::before,
#how_it_works::before,
#pricing::before {
  content: "";
  position: absolute;
  top: -5px; /* Adjust based on border width */
  right: -5px;
  bottom: -5px;
  left: -5px;
  background: linear-gradient(
    90deg,
    var(--primary-color) 0%,
    var(--secondary-color) 55%,
    var(--tertiary-color) 90%,
    var(--quinary-color) 100%
  );
  z-index: -1; /* Ensure it appears behind the element */
  border-radius: inherit; /* Maintain border radius if any */
  animation: wave-gradient 10s ease-in-out 0ms infinite;
  background-size: 200% 100%;
}

#features h2,
#how_it_works h2,
#pricing h2 {
  padding: 0;
  margin: 0;
  margin-bottom: 20px;
  font-size: 48px;
  font-weight: 800;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

#pricing {
  margin-bottom: 20vh;
  padding-top: 10px;
  padding-left: 40px;
  padding-right: 40px;
  padding-bottom: 30px;
  box-shadow: var(--shadow);
}

#pricing-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr); /* Create three equal-width columns */
  gap: 10px; /* Add some space between columns */
}

#pricing-list li {
  display: flex;
  flex-direction: column;
  align-items: center; /* Center the content horizontally */
  text-align: center; /* Center the text */
  height: 300px;
  padding: 10px;
  border-radius: 15px;
  background-color: rgb(255, 255, 255);
  box-shadow: var(--shadow);
  color: var(--secondary-color);
  font-size: 1.5rem;
  font-weight: lighter;
  transition: transform 0.3s ease-in;
}

#pricing-list li:hover {
  transform: scale(1.15);
  z-index: 999;
  cursor: pointer;
}

.important {
  padding: 0;
  margin: 0;
  font-size: 1.7em; /* Increase font size */
  font-weight: 800; /* Make text bold */
  background: linear-gradient(
    var(--primary-color) 0%,
    var(--secondary-color) 85%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text; /* For some other browsers like Firefox */
  color: transparent; /* Fallback for older browsers */
  animation: wave-gradient2 5s ease-in-out 0ms infinite;
  background-size: 100% 200%;
}

@keyframes wave-gradient2 {
  0% {
    background-position: 50% 0%;
  }
  100% {
    background-position: 50% 200%;
  }
}

/* General Styles for Small Screens */
@media (max-width: 768px) {
  body {
    grid-template-columns: 1fr;
    row-gap: 10vh;
    padding: 0 10px;
  }

  /* Header Styles */
  #header {
    padding: 10px;
    padding-left: 100px;
    height: auto;
    flex-direction: row;
    align-items: center;
  }

  #header img {
    max-width: 100px;
  }

  #nav-bar ul {
    display: flex;
    flex-direction: row;
  }

  #nav-bar li {
    height: 67px;
    display: flex;
    margin-bottom: 10px;
    align-items: center;
    justify-content: center;
  }

  #nav-bar a {
    padding: 10px;
    font-size: 0.9rem;
  }

  /* Hero Section Styles */
  #hero {
    padding: 100px 10px 0 10px;
  }

  #hero h1 {
    font-size: 1rem;
  }

  #hero h2,
  #hero h3 {
    font-size: 2rem;
  }

  #hero p {
    font-size: 0.9rem;
    padding: 20px 10px;
  }

  #email {
    width: 100%;
  }

  /* Section Styles */
  section {
    padding: 40px 10px;
  }

  #features,
  #how_it_works,
  #pricing {
    padding: 10px;
    width: 80%;
  }

  #features h2,
  #how_it_works h2,
  #pricing h2 {
    font-size: 1.5rem;
  }

  /* Features Section Styles */
  #features-grid {
    grid-template-columns: 1fr;
  }

  .feature-card {
    padding: 15px;
  }

  .feature-icon {
    font-size: 2.5rem;
  }

  .feature-title {
    font-size: 1rem;
  }

  .feature-description {
    font-size: 0.9rem;
  }

  /* Pricing List Styles */
  #pricing-list {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  #pricing-list li {
    padding: 15px;
    font-size: 1.2rem;
  }
}

/* Very Small Screens */
@media (max-width: 480px) {
  /* Adjust header image size */
  #header img {
    max-width: 80px;
  }

  #header li {
    height: 40px;
  }

  /* Reduce padding for sections */
  section {
    padding: 20px 5px;
  }

  /* Adjust font sizes */
  #hero h1 {
    font-size: 0.9rem;
  }

  #hero h2,
  #hero h3 {
    font-size: 1.5rem;
  }

  #hero p {
    font-size: 0.8rem;
  }

  /* Further reduce feature card padding and font size */
  .feature-card {
    padding: 10px;
  }

  .feature-icon {
    font-size: 2rem;
  }

  .feature-title {
    font-size: 0.9rem;
  }

  .feature-description {
    font-size: 0.8rem;
  }

  /* Further reduce pricing list font size */
  #pricing-list li {
    padding: 10px;
    font-size: 1rem;
  }
}