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

body {
  background-color: #181818;
  color: #ffffff;
  font-family: 'Poppins', sans-serif;
}

header {
  position: fixed;
  top: 0;
  background-color: #181818;
  padding: 20px;
  height: 80px;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 100;
  width: 100%;
}

.logo-container-desktop {
  text-align: left;
  cursor: pointer;
}

.logo-container-sm {
  text-align: left;
  cursor: pointer;
}

.logo img {
  width: 80px;
}

.menu {
  display: flex;
  align-items: center;
}

.menu-item {
  margin-right: 20px;
  display: flex;
  align-items: center;
  cursor: pointer;
}

.menu-item:hover {
  opacity: 0.8;
}

.menu-item-text {
  margin-left: 8px;
}

button {
  background-color: #4b4b4b;
  color: #ffffff;
  font-size: 20px;
  padding: 12px 24px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

button:hover {
  background-color: #323232;
}

.learn-more-button-container {
  text-align: center;
  margin-top: 40px;
}

.learn-more-button-container .cta-button {
  background-color: #4b4b4b;
  color: #ffffff;
  font-size: 20px;
  padding: 12px 24px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  transition: background-color 0.3s ease;
  text-decoration: none;
}

.learn-more-button-container .cta-button:hover {
  background-color: #323232;
}

section {
  padding: 60px;
  text-align: center;
}

#intro {
  position: relative;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background-image: url('../images/landing-background.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  text-align: center;
  color: #ffffff;
}

.intro-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
}

.intro-content {
  position: relative;
  z-index: 2;
}

.intro-content h1 {
  font-size: 60px;
  font-weight: bold;
  margin-bottom: 20px;
}

.intro-content p {
  font-size: 24px;
  margin-bottom: 40px;
  line-height: 1.5;
}

#how-it-works-section {
  background-color: #323232;
  color: #ffffff;
  padding: 60px;
}

.how-it-works-columns {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-left: 40px;
  margin-right: 40px;
  margin-top: 60px;
}

.how-it-works-column {
  flex-basis: calc(25% - 20px);
  padding: 20px;
  text-align: center;
  border-right: 1px solid #4b4b4b;
}

.how-it-works-column:last-child {
  border-right: none;
}

.how-it-works-column i {
  font-size: 40px;
  margin-bottom: 10px;
}

.how-it-works-column h3 {
  font-size: 24px;
  font-weight: bold;
  margin-bottom: 10px;
}

.how-it-works-column p {
  font-size: 18px;
  line-height: 1.5;
}

.section-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 100px;
  margin-left: 40px;
  margin-right: 40px;
}

.section-container:nth-child(even) .content {
  order: 1;
}

.section-container:nth-child(even) .image-container {
  order: 2;
}

.image-container {
  flex-basis: 50%;
  display: flex;
  justify-content: center;
}

.image-container img {
  max-width: 100%;
  height: auto;
}

.content {
  flex-basis: 50%;
  text-align: left;
}

h2 {
  font-size: 32px;
  font-weight: bold;
  margin-bottom: 20px;
}

p {
  font-size: 20px;
  margin-bottom: 40px;
  line-height: 1.5;
}

footer {
  background-color: #323232;
  padding: 40px;
  text-align: center;
}

.footer-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.footer-column {
  display: flex;
  flex-direction: column;
  margin-bottom: 20px;
}

.icons {
  display: flex;
  justify-content: flex-end;
  flex-direction: row;
}

.footer-column:not(:last-child) {
  margin-right: 30px;
}

.footer-column a {
  color: #e6e6e6;
  text-decoration: none;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
}

.footer-column a:hover {
  opacity: 0.8;
}

.footer-column a .icon {
  margin-right: 5px;
}

.footer-column.icons {
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

.footer-column.icons a {
  margin-right: 10px;
}

.footer-column.icons a:last-child {
  margin-right: 0;
}

.footer-column.icons .icon {
  font-size: 24px;
  margin: 1 10px;
}

footer p {
  font-size: 14px;
  color: #e6e6e6;
}

.brand-name {
  margin-bottom: 20px;;
}

.fade-in {
  opacity: 0;
  animation: fade-in 2s ease-in-out forwards;
}

@keyframes fade-in {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

@media screen and (max-width: 768px) {
  section {
    padding: 0px;
  }

  #how-it-works-section {
    background-color: #323232;
    color: #ffffff;
    padding: 0px;
    padding-top: 60px;
    padding-bottom: 60px;
  }

  .brand-name {
    height: auto;
    max-width: 300px;
  }

  .footer-row {
    flex-wrap: wrap;
  }

  .footer-column {
    flex-basis: 100%;
    margin-right: 0;
  }

  .footer-column a,
  .footer-column.icons {
    justify-content: center;
  }

  .footer-column.icons a {
    margin-right: 10px;
  }
  
  .menu {
    display: none;
  }

  .burger-menu {
    display: flex;
    align-items: center;
    justify-content: flex-end;
  }

  .logo-container-desktop {
    display: none;
  }

  .burger-menu-icon {
    font-size: 24px;
    cursor: pointer;
    color: #ffffff;
    margin-right: 20px;
    text-align: right;
  }

  .burger-menu-items {
    position: absolute;
    top: 80px;
    right: 20px;
    background-color: #323232;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    text-align: left;
  }

  .burger-menu-items a {
    color: #ffffff;
    text-decoration: none;
    margin-bottom: 10px;
  }

  .burger-menu-items a:hover {
    opacity: 0.8;
  }

  .show-burger-menu {
    display: flex;
  }

  .how-it-works-columns {
    flex-wrap: wrap;
    margin-left: 0px;
    margin-right: 0px;
  }

  .how-it-works-column {
    flex-basis: 100%;
    border-right: none;
    margin-bottom: 20px;
  }

  .section-container {
    flex-direction: column;
    margin-left: 20px;
    margin-right: 20px;
  }

  .image-container {
    flex-basis: 100%;
    display: flex;
    justify-content: center;
  }

  .image-container img {
    max-height: 100%;
    width: auto;
  }

  .content {
    text-align: center;
  }

  .global-impact {
    display: none;
  }
}

@media screen and (min-width: 769px) {
  .burger-menu {
    display: none;
  }

  .logo-container-sm {
    display: none;
  }
}