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

:root {
  --bkg: linear-gradient(to top, #0f0915, #050307);
  --dark: #050307;
  --text: #f9f6fe;
  --accent: #5347d7;
}

body {
  font-family: "Nunito Sans", sans-serif;
  font-size: clamp(1.1rem, 2vw + 1rem, 1.4rem);
  line-height: 1.55;
  background: var(--bkg);
  color: var(--text);
}

.nav-header {
  position: fixed;
  z-index: 10;
  width: 100%;
  padding-block: 1.2rem;
  background-color: transparent;
  transition: background-color 800ms cubic-bezier(0.64, 0.04, 0.26, 0.87);
}

.nav-header.active {
  background-color: var(--dark);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: right;
}

.logo {
  color: var(--accent);
  margin-inline: 0.5rem;
  width: clamp(3rem, 10vw, 7.5rem);
  display: grid;
  place-items: center;
}

.logo-link:focus-visible,
.nav-link:focus-visible {
  outline: 4px solid var(--accent);
  outline-offset: 0.2em;
  border-radius: 0.5rem;
}

.nav-links {
  display: flex;
  align-items: center;
  flex-direction: column;
  gap: 1.5rem;
  transform: translate3d(0, -200%, 0);
  position: absolute;
  z-index: -1;
  top: 3rem;
  left: 0;
  right: 0;
  background-color: var(--dark);
  padding: 1.5rem;
  border-bottom: 4px solid var(--accent);
  text-align: center;
}

.nav-links.activated {
  transition: transform 0.4s cubic-bezier(0.64, 0.04, 0.26, 0.87);
}

.btn {
  color: var(--text);
  text-decoration: none;
  padding: 0.3rem 1.5rem;
  cursor: pointer;
  border-radius: 0.5rem;
}

.btn--accent {
  background-color: var(--accent);
  padding: 0.3rem 2rem;
}

.btn--menu {
  color: var(--accent);
  background-color: transparent;
  border: none;
  display: grid;
  place-items: center;
  padding-inline: 1rem;
  transition: transform 0.3s cubic-bezier(0.64, 0.04, 0.26, 0.87);
}

li,
.nav-link {
  width: 100%;
  display: block;
  font-size: 1.1rem;
  text-transform: uppercase;
}

.btn--menu[aria-expanded="true"] {
  transform: rotate(-180deg);
}

.btn--menu[aria-expanded="true"] + .nav-links {
  transform: translate3d(0, 0, 0);
}

@media (min-width: 768px) {
  .btn--menu {
    display: none;
  }
  .nav-links {
    position: static;
    transform: translate3d(0, 0, 0);
    flex-direction: row;
    border: 0;
    z-index: 0;
    padding: 0;
    inset: 0;
    background-color: transparent;
  }
  li[role="none"],
  .nav-link {
    width: initial;
  }
}

.section-wrapper {
  display: grid;
  gap: clamp(4rem, 1.45454537rem + 11.636364vw, 8rem);
  position: relative;
  top: -10vh;
}

h1 {
  font-size: clamp(2.5rem, 5vw + 1rem, 8rem);
  font-size: bolder;
  line-height: 1.1;
  letter-spacing: 0.02em;
}

.h2 {
  font-size: clamp(1.8rem, 4vw + 1rem, 3.5rem);
  font-size: bolder;
  line-height: 1.1;
  color: white;
}

.h3 {
  font-size: clamp(1.2rem, 3vw + 1rem, 2.2rem);
  line-height: 1.1;
  color: white;
}

.subheading {
  color: var(--text);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

.hero {
  min-height: 100vh;
  display: grid;
  place-items: center;
  text-align: center;
  position: relative;
}

.header__img {
  position: absolute;
  height: 100%;
  width: 100%;
  object-fit: cover;
}

.container {
  margin-inline: max((100% - 90rem) / 2, 1rem);
}

.container--sm {
  margin-inline: max((100% - 70rem) / 2, 2rem);
}

.rise {
  opacity: 0;
  animation: rise 0.8s ease-in-out forwards;
}

.rise.subheading {
  animation: rise 1.2s ease-in-out forwards 0.5s;
}

@keyframes rise {
  0% {
    transform: translateY(2rem);
    opacity: 0;
  }
  100% {
    transform: translateY(0);
    opacity: 1;
  }
}

.header-container {
  display: grid;
  gap: 1rem;
  position: relative;
  top: -5vh;
}

.stars {
  padding: clamp(1.2rem, 3.5vw, 2.5rem) clamp(1.2rem, 5vw, 3rem) 0;
  background-color: var(--dark);
  display: grid;
  border-radius: 0.5rem;
  gap: 1rem;
}

.moons {
  display: grid;
  gap: 1rem;
}

#stars {
  text-align: center;
}

.card-container {
  display: flex;
  flex-wrap: wrap;
  gap: 2.5rem 3.5rem;
}

.card {
  flex: 1 1 100%;
  display: grid;
  place-items: center;
  gap: 1.5rem;
  padding: 2.5rem 1.5rem 1.5rem;
  border: 5px solid var(--accent);
  border-radius: 0.5rem;
}

@media (min-width: 768px) {
  .card {
    flex: 1 1 28%;
  }
}

.card__image {
  width: clamp(4rem, 10vw, 8rem);
}

.fade-up {
  opacity: 0;
  transform: translate3d(0, 5rem, 0);
  transition: transform 1s cubic-bezier(0.64, 0.04, 0.26, 0.87),
    opacity 0.8s cubic-bezier(0.64, 0.04, 0.26, 0.87);
}

.fade-up.faded {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

/* Remove all animations, transitions and smooth scroll for people that prefer not to see them */
@media (prefers-reduced-motion: reduce) {
  html:focus-within {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}