:root {
  --clr-primary: #ffd400;
  --clr-secondary: #0c0a00;
  --drop-shadow: 0 4px 4px 0 rgba(0, 0, 0, 25%);
}

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

html {
  font-size: 62.5%;
}

body {
  color: var(--clr-secondary);
  font-family: Arial, Helvitica, sans-serif;
  font-size: 1.6rem;
  height: 100vh;
}

/* Typography */
h1,
h2,
h3,
h4,
h5 {
  text-transform: uppercase;
  text-align: center;
}

h2 {
  font-size: 2.2rem;
}

h3 {
  font-size: 1.7rem;
  color: var(--clr-secondary);
  line-height: 1;
}

p,
li {
  line-height: 1.6;
}

ol {
  margin: 1rem 3.5rem;
}

/* Utilities */
.ff-bg {
  background-color: var(--clr-primary);
}

.ff-b-radius {
  border-radius: 6px;
}

.box-shadow {
    box-shadow: var(--drop-shadow);
}

/* Buttons  */
.cta--primary {
  color: inherit;
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  text-transform: uppercase;
  background-color: var(--clr-primary);
  padding: 1.2rem 1.6rem;
  line-height: 2.2rem;
}

header {
  padding: 2rem 6rem;
  margin: 4rem 6rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

header > p {
  margin-top: 2rem;
  text-transform: uppercase;
}

.img-container {
  display: flex;
  align-items: center;
  width: 40em;
  height: 10em;
  overflow: hidden;
}

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

.container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  padding: 1.8rem;
  margin: 2.5rem 4.5rem;
}

.content-grid {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  margin: 0 5rem;
}

.flex-centered {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Accordion */
.terms-accordion {
  display: grid;
  grid-template-columns: 1fr 24px;
  gap: 3rem;
  border: none;
  padding: 1.5rem;
  cursor: pointer;
}

.accordion-panel {
  max-height: fit-content;
  overflow: hidden;
  display: none;
}

.chevron {
  width: 24px;
  height: 24px;
  display: flex;
  justify-content: center;
  animation: pulse-down 2.5s infinite alternate;
}

@keyframes pulse-down {
  0% {
    align-items: flex-start;
  }

  25% {
    align-items: center;
  }

  50% {
    align-items: flex-end;
  }

  75% {
    align-items: center;
  }

  100% {
    align-items: flex-start;
  }
}

/* @media queries */
@media (max-width: 991px) {
  header {
    margin-left: 0;
    margin-right: 0;
  }

  section {
    margin: 0;
  }

  .content-grid {
    margin: 0;
  }
}