@import url("https://fonts.googleapis.com/css2?family=Lato:ital,wght@0,100;0,300;0,400;0,700;0,900;1,100;1,300;1,400;1,700;1,900&display=swap");

:root {
  --primary: #000;
  --accent: #ffc300;
  --background1: #eee;
  --background2: #ddd;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Lato", sans-serif;
  background-color: var(--background1);
}

/* Header style */
#header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: var(--background1);
}

#header #header-img {
  display: block;
  margin: 1rem auto;
  width: 230px;
}

#header #nav-bar {
  margin-bottom: 0.8rem;
}

#header #nav-bar ul {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  text-align: center;
  list-style: none;
}

#header #nav-bar ul li a {
  text-decoration: none;
  color: var(--primary);
}

/* Main content style */
main {
  margin-top: 12.5rem;
}

h1,
h2 {
  font-size: 1.5rem;
  font-weight: bold;
}

h1,
h2,
h3,
p {
  text-align: center;
}

#form {
  margin: auto;
  max-width: 70%;
}

#form h1 {
  margin-bottom: 1rem;
}

input,
button {
  display: block;
}

#form input[type="email"] {
  width: 100%;
  padding: 0.3rem;
  margin: auto;
}

#form input[type="submit"] {
  padding: 0.3rem 1rem;
  margin: 1rem auto 0 auto;
  background-color: var(--accent);
  text-transform: uppercase;
  font-size: 1rem;
  font-weight: bold;
  border: none;
}

/* Feature section style */
#features {
  padding: 0.4rem;
  margin: 4rem auto;
  scroll-margin-top: 14rem;
}

#features i {
  display: none;
}

#features .feature-container {
  display: flex;
  flex-direction: column;
  gap: 4rem;
}

/* How it works style */
#how_it_works {
  scroll-margin-top: 14rem;
}

iframe {
  display: block;
  width: 100%;
  margin: auto;
}

/* Pricing style */
#pricing {
  margin: 3.5rem auto;
  scroll-margin-top: 14rem;
}

.pricing-card-container {
  display: grid;
  gap: 0.8rem;
  padding: 0 3rem;
}

.pricing-card-item {
  border: 1px solid var(--primary);
}

.pricing-card-item h3 {
  padding: 0.5rem 0;
  background-color: var(--background2);
  font-size: 1.1rem;
  text-transform: uppercase;
}

.pricing-card-item p:first-of-type {
  font-weight: bold;
  font-size: 1.5rem;
  margin: 1rem;
  text-align: center;
}

.pricing-card-item p:last-of-type {
  text-align: center;
  line-height: 2;
  padding: 0 4rem;
  margin-bottom: 1.5rem;
}

.pricing-card-item button {
  text-transform: uppercase;
  background-color: var(--accent);
  padding: 0.5rem 1.2rem;
  border: none;
  margin: 1rem auto;
}

/* Footer style */
footer {
  background-color: var(--background2);
  padding: 1.5rem;
}

footer ul {
  list-style: none;
  display: flex;
  justify-content: flex-end;
  gap: 1.5rem;
  margin-bottom: 0.5rem;
}

footer ul li a {
  text-decoration: none;
  color: var(--primary);
  font-weight: 500;
}

footer p {
  text-align: right;
  color: #333;
  font-size: 0.9rem;
}

/* Tab screen style */
@media screen and (min-width: 768px) {
  #header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2.5rem;
  }

  #header #header-img {
    margin: 0;
  }

  #header #nav-bar ul {
    flex-direction: row;
    gap: 1.5rem;
  }

  main {
    margin-top: 8rem;
  }

  #form input[type="email"] {
    width: 50%;
  }

  #features,
  #how_it_works,
  #pricing {
    scroll-margin-top: 8rem;
  }

  #features .feature-container {
    padding: 0 2.5rem;
  }

  #features .feature-container .feature-item {
    display: flex;
    align-items: center;
    gap: 3.5rem;
  }

  #features .feature-container .feature-item div h2,
  p {
    text-align: left;
  }

  #features .feature-container .feature-item i {
    display: block;
    font-size: 3.5rem;
    color: var(--accent);
  }

  iframe {
    width: 560px;
  }

  .pricing-card-container {
    padding: 0 15rem;
  }

  .pricing-card-item {
    border: none;
  }
}

/* Tab landscape orientation style */
@media screen and (min-width: 992px) {
  .pricing-card-container {
    gap: 1.2rem;
    grid-template-columns: 1fr 1fr 1fr;
    padding: 0 1.2rem;
  }

  .pricing-card-item {
    border: 1px solid var(--primary);
  }
}

/* Desktop screen style */
@media screen and (min-width: 1200px) {
  main {
    max-width: 75%;
    margin: 8rem auto 0 auto;
  }
}