:root {
  --screen: #1a2631;
  --screen-deep: #15202a;
  --land: #2b3f4e;
  --line: rgba(143, 163, 177, 0.16);
  --muted: #8fa3b1;
  --text: #e4eaee;
  --ping: #f2545b;
  --discord: #5865f2;
  --discord-hover: #4752c4;
  --display: 'Tomorrow', 'Helvetica Neue', Arial, sans-serif;
  --body: 'Saira', 'Helvetica Neue', Arial, sans-serif;
  --wrap: 1120px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--screen);
  color: var(--text);
  font-family: var(--body);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--text);
  outline-offset: 3px;
  border-radius: 4px;
}

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px;
}

/* Nav */

.nav {
  position: absolute;
  inset: 0 0 auto 0;
  z-index: 10;
}

.nav .wrap {
  display: flex;
  align-items: center;
  gap: 28px;
  height: 76px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-right: auto;
  font-weight: 600;
  text-decoration: none;
}

.brand img {
  width: 32px;
  height: 32px;
  border-radius: 50%;
}

.nav-link {
  color: var(--muted);
  font-size: 0.9375rem;
  text-decoration: none;
}

.nav-link:hover {
  color: var(--text);
}

/* Buttons */

.btn-discord {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 24px;
  border-radius: 8px;
  background: var(--discord);
  color: #fff;
  font-weight: 600;
  text-decoration: none;
  transition: background-color 0.15s;
}

.btn-discord:hover {
  background: var(--discord-hover);
}

.btn-discord svg {
  width: 1.25em;
  height: 1.25em;
}

.btn-discord.small {
  padding: 8px 16px;
  font-size: 0.9375rem;
}

/* Hero */

.hero {
  position: relative;
  overflow: hidden;
  padding: 140px 0 96px;
  background: radial-gradient(ellipse at 70% 40%, var(--land) 0%, var(--screen) 60%);
}

/* Map graticule, like the screen on Cypher's laptop */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  background-position: center center;
  -webkit-mask-image: radial-gradient(ellipse at 60% 45%, #000 20%, transparent 75%);
  mask-image: radial-gradient(ellipse at 60% 45%, #000 20%, transparent 75%);
}

.pings {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.ping {
  position: absolute;
  width: 8px;
  height: 8px;
  margin: -4px 0 0 -4px;
  border-radius: 50%;
  background: var(--ping);
  box-shadow: 0 0 12px var(--ping);
}

.ping::after {
  content: '';
  position: absolute;
  inset: -4px;
  border: 1px solid var(--ping);
  border-radius: 50%;
  opacity: 0;
  animation: ping 3.2s ease-out infinite;
  animation-delay: inherit;
}

@keyframes ping {
  0% { transform: scale(0.6); opacity: 0.9; }
  100% { transform: scale(4); opacity: 0; }
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr minmax(260px, 340px);
  gap: 64px;
  align-items: center;
}

.hero h1 {
  margin: 0 0 24px;
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(2.375rem, 5vw, 4.25rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
}

.hero h1 span {
  display: block;
  color: var(--muted);
}

.hero .lede {
  max-width: 34em;
  margin: 0 0 36px;
  color: var(--muted);
  font-size: 1.1875rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 24px;
}

.hero-actions p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9375rem;
}

.cmd {
  color: #00a8fc;
  font-weight: 500;
  white-space: nowrap;
}

.phone {
  position: relative;
  justify-self: center;
  width: 100%;
  max-width: 340px;
  filter: drop-shadow(0 40px 60px rgba(8, 14, 20, 0.6));
}

/* Features */

.features {
  padding: 120px 0 40px;
  background: var(--screen-deep);
}

.section-head {
  max-width: 40em;
  margin-bottom: 72px;
}

.section-head h2,
.extras h2,
.steps h2,
.closing h2 {
  margin: 0 0 12px;
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(1.875rem, 3.6vw, 2.625rem);
  line-height: 1.1;
  letter-spacing: -0.015em;
}

.section-head p {
  margin: 0;
  color: var(--muted);
}

.feature {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 56px;
  align-items: center;
  padding: 56px 0;
  border-top: 1px solid var(--line);
}

.feature:nth-of-type(even) .feature-text {
  order: 2;
}

.feature-text > .cmd {
  display: inline-block;
  margin-bottom: 12px;
}

.feature-commands {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25em 0.65em;
  margin-bottom: 12px;
}

.feature-commands .cmd + .cmd::before {
  content: '•';
  margin-right: 0.65em;
  color: var(--muted);
}

.feature h3 {
  margin: 0 0 12px;
  font-size: 1.625rem;
  font-weight: 600;
  line-height: 1.25;
}

.feature p {
  max-width: 28em;
  margin: 0;
  color: var(--muted);
}

.shot {
  margin: 0;
  justify-self: center;
}

.shot img {
  border-radius: 10px;
  border: 1px solid var(--line);
}

/* Extras */

.extras {
  padding: 96px 0;
  background: var(--screen-deep);
}

.extras-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  margin: 48px 0 0;
}

.extras-list div {
  padding-top: 20px;
  border-top: 2px solid var(--land);
}

.extras-list dt {
  margin-bottom: 8px;
  font-size: 1.1875rem;
  font-weight: 600;
}

.extras-list dd {
  margin: 0;
  color: var(--muted);
}

/* Steps */

.steps {
  padding: 24px 0 120px;
  background: var(--screen-deep);
}

.steps-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin: 48px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.steps-list li {
  counter-increment: step;
  color: var(--muted);
}

.steps-list li::before {
  content: counter(step);
  display: block;
  margin-bottom: 16px;
  font-family: var(--display);
  font-size: 2.5rem;
  font-weight: 600;
  line-height: 1;
  color: var(--muted);
}

.steps-list strong {
  color: var(--text);
  font-weight: 600;
}

/* Closing */

.closing {
  padding: 112px 0;
  text-align: center;
  background: radial-gradient(ellipse at 50% 120%, var(--land) 0%, var(--screen) 65%);
}

.closing h2 {
  margin-bottom: 16px;
}

.closing p {
  margin: 0 auto 36px;
  max-width: 30em;
  color: var(--muted);
}

/* Footer */

footer {
  padding: 48px 0 56px;
  border-top: 1px solid var(--line);
  background: var(--screen-deep);
  color: var(--muted);
  font-size: 0.875rem;
}

footer .wrap {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px 48px;
}

footer p {
  max-width: 62em;
  margin: 0;
}

footer p:last-child {
  grid-column: 1 / -1;
}

footer ul {
  display: flex;
  gap: 24px;
  margin: 0;
  padding: 0;
  list-style: none;
}

footer a {
  text-decoration: none;
}

footer a:hover {
  color: var(--text);
}

/* Responsive */

@media (max-width: 1080px) {
  .extras-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 900px) {
  .hero {
    padding: 112px 0 72px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 56px;
  }

  .phone {
    max-width: 280px;
  }

  .feature {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .feature:nth-of-type(even) .feature-text {
    order: 0;
  }

  .extras-list,
  .steps-list {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  footer .wrap {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .wrap {
    padding: 0 16px;
  }

  .nav .wrap {
    gap: 16px;
  }

  .nav-link {
    display: none;
  }

  .features {
    padding-top: 88px;
  }

  .section-head {
    margin-bottom: 40px;
  }

  .feature {
    padding: 40px 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .ping::after {
    animation: none;
  }
}