:root {
  --black: #000;
  --white: #fff;
  --gray: #5f5f5f;
  --line: #e5e5e5;
}

* { box-sizing: border-box; }

html, body { min-height: 100%; }

body {
  margin: 0;
  background: var(--white);
  color: var(--black);
  font-family: "Manrope", sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

::selection { background: var(--black); color: var(--white); }

.site-header {
  width: min(1200px, calc(100% - 48px));
  height: 92px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 16px;
  font-weight: 800;
  letter-spacing: -.04em;
}

.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--black);
  color: var(--white);
}

.brand-mark svg {
  width: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
}

.platforms {
  color: var(--gray);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
}

main {
  min-height: calc(100vh - 170px);
  display: grid;
  place-items: center;
  padding: 90px 24px 110px;
}

.hero {
  width: min(900px, 100%);
  text-align: center;
}

.availability {
  margin: 0 0 28px;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.availability span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--black);
}

h1 {
  margin: 0;
  font-size: clamp(54px, 7.2vw, 104px);
  line-height: .96;
  letter-spacing: -.07em;
  font-weight: 800;
}

.description {
  width: min(610px, 100%);
  margin: 34px auto 42px;
  color: var(--gray);
  font-size: 17px;
  line-height: 1.7;
  letter-spacing: -.02em;
}

.store-links {
  display: flex;
  justify-content: center;
  gap: 12px;
}

.store-button {
  width: 230px;
  min-height: 70px;
  padding: 12px 14px;
  display: grid;
  grid-template-columns: 34px 1fr 18px;
  gap: 10px;
  align-items: center;
  background: var(--black);
  border: 1px solid var(--black);
  color: var(--white);
  text-align: left;
  transition: background .18s ease, color .18s ease, transform .18s ease;
}

.store-button:hover {
  background: var(--white);
  color: var(--black);
  transform: translateY(-3px);
}

.store-button svg {
  width: 29px;
  height: 29px;
  fill: currentColor;
}

.store-button .play-icon {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linejoin: round;
}

.store-button span,
.store-button small,
.store-button strong { display: block; }

.store-button small {
  margin-bottom: 2px;
  font-size: 9px;
  font-weight: 500;
  line-height: 1;
}

.store-button strong {
  font-size: 17px;
  line-height: 1.2;
  letter-spacing: -.035em;
}

.store-button b {
  justify-self: end;
  font-size: 13px;
  font-weight: 500;
}

footer {
  width: min(1200px, calc(100% - 48px));
  min-height: 78px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--line);
  color: #777;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
}

@media (max-width: 600px) {
  .site-header { width: calc(100% - 32px); height: 76px; }
  .platforms { display: none; }
  main { min-height: calc(100vh - 140px); padding: 70px 16px 85px; }
  h1 { font-size: clamp(48px, 14vw, 70px); }
  .description { margin: 27px auto 34px; font-size: 15px; }
  .store-links { flex-direction: column; align-items: center; }
  .store-button { width: min(100%, 310px); }
  footer { width: calc(100% - 32px); min-height: 92px; flex-direction: column; align-items: flex-start; justify-content: center; gap: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition-duration: .01ms !important; }
}