:root {
  color-scheme: dark;
  --bg: #000;
  --ink: #f8fbfc;
  --cyan: #00f2ff;
  --cyan-low: rgba(0, 242, 255, .6);
  --cyan-faint: rgba(0, 242, 255, .06);
  --cyan-glow: rgba(0, 242, 255, .16);
  --muted: #a0aab8;
  --dim: #727d89;
  --line: rgba(255, 255, 255, .11);
  --line-strong: rgba(255, 255, 255, .2);
  --panel: rgba(8, 12, 18, .62);
  --sans: Assistant, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono: 'Jost', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --ease: cubic-bezier(.2, .8, .2, 1);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--bg);
  scroll-behavior: smooth;
}

body {
  min-height: 100%;
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 78% 8%, rgba(0, 242, 255, .085), transparent 28rem),
    radial-gradient(circle at 12% 52%, rgba(0, 136, 255, .035), transparent 25rem),
    var(--bg);
  color: var(--ink);
  font: 400 16px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
}

body::after {
  position: fixed;
  z-index: 99;
  inset: 0;
  pointer-events: none;
  content: '';
  background: repeating-linear-gradient(180deg, rgba(0, 242, 255, .02) 0 1px, transparent 1px 3px);
}

a {
  color: inherit;
}

.grid-lines {
  position: fixed;
  z-index: 0;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(0, 242, 255, .04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 242, 255, .04) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: linear-gradient(to bottom, black 0, rgba(0, 0, 0, .7) 48%, transparent 100%);
}

.skip-link {
  position: fixed;
  z-index: 120;
  top: 12px;
  left: 12px;
  padding: 11px 14px;
  transform: translateY(-160%);
  border: 1px solid var(--cyan);
  background: var(--cyan);
  color: #001014;
  font: 800 10px/1 var(--mono);
  letter-spacing: .12em;
  text-decoration: none;
  text-transform: uppercase;
  transition: transform .16s var(--ease);
}

.skip-link:focus {
  transform: translateY(0);
}

.shell {
  position: relative;
  z-index: 1;
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 28px 0 72px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: clamp(64px, 8vw, 102px);
}

.brand {
  display: inline-flex;
  flex: none;
  align-items: center;
  gap: 12px;
  color: var(--cyan);
  font: 750 10px/1 var(--mono);
  letter-spacing: .18em;
  text-decoration: none;
  text-transform: uppercase;
}

.brand-name {
  padding-top: 1px;
}

.pd-mark {
  display: block;
  flex: none;
  width: 25px;
  height: 23px;
  filter: drop-shadow(0 0 7px rgba(0, 242, 255, .45));
  transition: transform .25s var(--ease), filter .25s var(--ease);
}

.brand:hover .pd-mark {
  transform: scale(1.04);
  filter: drop-shadow(0 0 11px rgba(0, 242, 255, .72));
}

.primary-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(12px, 2.2vw, 25px);
}

.primary-nav a {
  position: relative;
  min-width: 28px;
  padding: 10px 0;
  color: var(--muted);
  font: 650 10px/1 var(--mono);
  letter-spacing: .11em;
  text-decoration: none;
  text-transform: uppercase;
  transition: color .16s var(--ease);
}

.primary-nav a:not(.subscribe)::after {
  position: absolute;
  right: 0;
  bottom: 2px;
  left: 0;
  height: 1px;
  transform: scaleX(0);
  transform-origin: right;
  background: var(--cyan);
  content: '';
  transition: transform .2s var(--ease);
}

.primary-nav a:hover,
.primary-nav a[aria-current='page'] {
  color: var(--cyan);
}

.primary-nav a:hover::after,
.primary-nav a[aria-current='page']::after {
  transform: scaleX(1);
  transform-origin: left;
}

.primary-nav .subscribe {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 11px 12px;
  border: 1px solid var(--cyan);
  background: var(--cyan-faint);
  color: var(--cyan);
}

.primary-nav .subscribe:hover {
  background: var(--cyan);
  color: #001014;
}

.external-mark {
  font-size: 1.1em;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(290px, .65fr);
  align-items: end;
  gap: clamp(36px, 7vw, 86px);
  margin-bottom: clamp(86px, 12vw, 142px);
}

.hero-copy {
  min-width: 0;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 0 0 20px;
  color: var(--cyan);
  font: 700 10px/1 var(--mono);
  letter-spacing: .26em;
  text-transform: uppercase;
}

.signal {
  position: relative;
  width: 42px;
  height: 1px;
  background: var(--cyan-low);
}

.signal::after {
  position: absolute;
  top: -2px;
  right: 0;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
  content: '';
  animation: signal-pulse 2.8s ease-in-out infinite;
}

@keyframes signal-pulse {
  0%, 100% { opacity: .35; transform: scale(.8); }
  50% { opacity: 1; transform: scale(1); }
}

h1 {
  max-width: 780px;
  margin: 0;
  font: 900 clamp(3.5rem, 8.4vw, 7rem)/.84 var(--sans);
  letter-spacing: -.075em;
  text-transform: uppercase;
}

h1 em {
  display: block;
  color: var(--cyan);
  font-style: normal;
  text-shadow: 0 0 38px rgba(0, 242, 255, .3);
}

.lede {
  max-width: 61ch;
  margin: 34px 0 0;
  padding-left: 16px;
  border-left: 1px solid var(--cyan-low);
  color: var(--muted);
  font-size: 1.02rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 11px;
  margin-top: 29px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 50px;
  padding: 14px 16px;
  border: 1px solid var(--cyan);
  font: 850 10px/1 var(--mono);
  letter-spacing: .1em;
  text-decoration: none;
  text-transform: uppercase;
  transition: transform .16s var(--ease), background .16s var(--ease), color .16s var(--ease), box-shadow .16s var(--ease);
}

.button-primary {
  min-width: 230px;
  background: var(--cyan);
  color: #001014;
}

.button-secondary {
  background: rgba(0, 242, 255, .025);
  color: var(--cyan);
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 9px 30px rgba(0, 242, 255, .15);
}

.button-secondary:hover {
  background: var(--cyan);
  color: #001014;
}

.button-arrow {
  font-size: 1.25em;
  transition: transform .16s var(--ease);
}

.button:hover .button-arrow {
  transform: translate(2px, -2px);
}

.action-note {
  margin: 13px 0 0;
  color: var(--dim);
  font: 550 9px/1.6 var(--mono);
  letter-spacing: .055em;
  text-transform: uppercase;
}

.tracking-card,
.leaderboard-panel,
.steps li,
.privacy-note {
  position: relative;
  border: 1px solid var(--line);
  background: linear-gradient(145deg, var(--panel), rgba(0, 0, 0, .73));
}

.tracking-card::before,
.tracking-card::after,
.leaderboard-panel::before,
.leaderboard-panel::after {
  position: absolute;
  width: 16px;
  height: 16px;
  pointer-events: none;
  content: '';
}

.tracking-card::before,
.leaderboard-panel::before {
  top: -1px;
  left: -1px;
  border-top: 1px solid var(--cyan);
  border-left: 1px solid var(--cyan);
}

.tracking-card::after,
.leaderboard-panel::after {
  right: -1px;
  bottom: -1px;
  border-right: 1px solid var(--cyan);
  border-bottom: 1px solid var(--cyan);
}

.tracking-card {
  overflow: hidden;
  padding: 24px;
  box-shadow: 0 24px 70px rgba(0, 0, 0, .3);
}

.tracking-card::before {
  box-shadow: -10px -10px 34px var(--cyan-glow);
}

.card-code,
.section-index {
  margin: 0;
  color: var(--cyan);
  font: 700 9px/1 var(--mono);
  letter-spacing: .2em;
  text-transform: uppercase;
}

.tracking-card dl {
  margin: 27px 0 0;
}

.tracking-card dl div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  padding: 15px 0;
  border-top: 1px solid var(--line);
}

.tracking-card dt {
  color: var(--dim);
  font: 600 8px/1.4 var(--mono);
  letter-spacing: .11em;
  text-transform: uppercase;
}

.tracking-card dd {
  margin: 0;
  color: var(--ink);
  font: 650 10px/1.4 var(--mono);
  text-align: right;
  text-transform: uppercase;
}

.card-signal {
  display: flex;
  align-items: end;
  gap: 5px;
  height: 35px;
  margin-top: 22px;
}

.card-signal span {
  flex: 1;
  min-width: 4px;
  background: var(--cyan);
  box-shadow: 0 0 9px rgba(0, 242, 255, .35);
  opacity: .65;
}

.card-signal span:nth-child(1) { height: 20%; }
.card-signal span:nth-child(2) { height: 42%; }
.card-signal span:nth-child(3) { height: 31%; }
.card-signal span:nth-child(4) { height: 69%; }
.card-signal span:nth-child(5) { height: 100%; }

.leaderboard-section,
.process-section {
  margin-bottom: clamp(88px, 11vw, 132px);
  scroll-margin-top: 28px;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 24px;
}

.section-heading h2 {
  margin: 14px 0 0;
  font: 900 clamp(2rem, 5vw, 3.9rem)/.94 var(--sans);
  letter-spacing: -.055em;
  text-transform: uppercase;
}

.updated-label,
.section-caption {
  margin: 0;
  color: var(--dim);
  font: 600 9px/1.6 var(--mono);
  letter-spacing: .075em;
  text-align: right;
  text-transform: uppercase;
}

.updated-label span {
  display: block;
  color: var(--muted);
}

.leaderboard-panel {
  min-height: 258px;
  padding: clamp(17px, 3vw, 28px);
}

.live-board-copy {
  max-width: 690px;
}

.live-board-code {
  color: var(--cyan);
  font: 700 9px/1 var(--mono);
  letter-spacing: .2em;
}

.live-board-copy h3 {
  margin: 18px 0 10px;
  font: 850 clamp(1.65rem, 4vw, 2.7rem)/1 var(--sans);
  letter-spacing: -.045em;
  text-transform: uppercase;
}

.live-board-copy p {
  max-width: 62ch;
  margin: 0 0 24px;
  color: var(--muted);
  line-height: 1.65;
}

.reward-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 28px;
}

.reward-grid span {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--line);
  color: var(--muted);
  font: 650 9px/1.4 var(--mono);
  letter-spacing: .07em;
  text-transform: uppercase;
}

.reward-grid strong {
  color: var(--cyan);
  font-size: 1rem;
  font-variant-numeric: tabular-nums;
}

.leaderboard-notes {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 26px;
  margin-top: 17px;
}

.leaderboard-notes p {
  max-width: 63ch;
  margin: 0;
  color: var(--dim);
  font: 550 9px/1.65 var(--mono);
  letter-spacing: .055em;
  text-transform: uppercase;
}

.leaderboard-notes a {
  flex: none;
  color: var(--cyan);
  font: 700 9px/1.5 var(--mono);
  letter-spacing: .08em;
  text-underline-offset: 4px;
  text-transform: uppercase;
}

.process-heading {
  padding-bottom: 23px;
  border-bottom: 1px solid var(--line);
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.steps li {
  min-height: 246px;
  padding: 23px;
}

.steps li::before {
  position: absolute;
  top: -1px;
  left: -1px;
  width: 14px;
  height: 14px;
  border-top: 1px solid var(--cyan-low);
  border-left: 1px solid var(--cyan-low);
  content: '';
}

.step-number {
  color: var(--cyan);
  font: 750 10px/1 var(--mono);
  letter-spacing: .16em;
}

.steps h3 {
  margin: 64px 0 12px;
  font: 800 1.18rem/1.12 var(--sans);
  letter-spacing: -.025em;
  text-transform: uppercase;
}

.steps p {
  margin: 0;
  color: var(--muted);
  font-size: .92rem;
  line-height: 1.65;
}

.privacy-note {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 22px;
  margin-top: 13px;
  padding: 23px;
  border-color: rgba(0, 242, 255, .2);
  background: var(--cyan-faint);
}

.privacy-mark {
  color: var(--cyan);
  font: 800 1.3rem/1 var(--mono);
  letter-spacing: -.15em;
}

.privacy-note h3 {
  margin: 0 0 6px;
  font: 750 1rem/1.2 var(--sans);
  letter-spacing: -.015em;
  text-transform: uppercase;
}

.privacy-note p {
  max-width: 75ch;
  margin: 0;
  color: var(--muted);
  font-size: .91rem;
}

footer {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--dim);
  font: 550 9px/1.8 var(--mono);
  letter-spacing: .09em;
  text-transform: uppercase;
}

footer a {
  color: var(--cyan);
  text-decoration: none;
}

footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
}

:where(a, button, [tabindex]):focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

@media (max-width: 880px) {
  .topbar {
    align-items: flex-start;
  }

  .primary-nav {
    flex-wrap: wrap;
    gap: 14px 18px;
  }

  .primary-nav .subscribe {
    padding: 9px 10px;
  }

  .hero {
    grid-template-columns: minmax(0, 1fr) minmax(270px, .54fr);
    gap: 34px;
  }
}

@media (max-width: 720px) {
  .shell {
    width: min(100% - 28px, 1120px);
    padding-top: 20px;
  }

  .topbar {
    display: grid;
    gap: 24px;
    margin-bottom: 62px;
  }

  .primary-nav {
    width: 100%;
    justify-content: flex-start;
  }

  .hero {
    grid-template-columns: 1fr;
    align-items: stretch;
  }

  .tracking-card {
    width: min(100%, 460px);
  }

  .steps {
    grid-template-columns: 1fr;
  }

  .reward-grid {
    grid-template-columns: 1fr;
  }

  .leaderboard-notes {
    align-items: flex-start;
    flex-direction: column;
  }

  .steps li {
    min-height: 205px;
  }

  .steps h3 {
    margin-top: 47px;
  }
}

@media (max-width: 500px) {
  .primary-nav {
    gap: 11px 16px;
  }

  .primary-nav a {
    font-size: 9px;
    letter-spacing: .08em;
  }

  h1 {
    font-size: clamp(3.05rem, 17vw, 4.8rem);
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .section-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .updated-label,
  .section-caption {
    text-align: left;
  }

  .updated-label span {
    display: inline;
  }

  .leaderboard-panel {
    padding: 14px;
  }

  .privacy-note {
    grid-template-columns: 1fr;
    gap: 13px;
  }
}

@media (max-width: 370px) {
  .brand-name {
    font-size: 9px;
  }

  .primary-nav {
    gap: 10px 13px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}

/* The referrals page is deliberately spare: pitch, actions, tiers, done. */
.simple-referrals {
  max-width: 980px;
  min-height: calc(100vh - 300px);
  margin: 0 auto;
  padding: clamp(8px, 3vw, 28px) 0 clamp(72px, 10vw, 112px);
}

.simple-referrals .eyebrow {
  display: block;
  margin-bottom: 24px;
}

.simple-referrals h1 {
  max-width: 920px;
  font-size: clamp(3.9rem, 10.5vw, 8.8rem);
  line-height: .82;
}

.simple-referrals h1 em {
  display: inline;
}

.simple-referrals .lede {
  max-width: none;
  margin-top: 34px;
  padding: 0;
  border: 0;
  color: var(--ink);
  font: 700 clamp(1rem, 2vw, 1.25rem)/1.5 var(--sans);
}

.simple-referrals .hero-actions {
  margin-top: 28px;
}

.simple-referrals .button {
  font-size: 12px;
  letter-spacing: .07em;
}

.simple-tiers {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: clamp(48px, 7vw, 72px);
}

.simple-tiers article {
  min-height: 144px;
  padding: 20px;
  border: 1px solid var(--line);
  background: rgba(8, 12, 18, .48);
}

.simple-tiers span,
.simple-tiers p,
.fine-print {
  color: var(--dim);
  font: 650 9px/1.5 var(--mono);
  letter-spacing: .1em;
  text-transform: uppercase;
}

.simple-tiers .referral-count {
  color: var(--ink);
  font: 900 clamp(1.8rem, 4vw, 2.6rem)/1 var(--sans);
  letter-spacing: -.045em;
  text-transform: none;
}

.simple-tiers h2 {
  margin: 32px 0 0;
  font: 850 clamp(1.05rem, 2vw, 1.35rem)/1.05 var(--sans);
  letter-spacing: -.025em;
  text-transform: uppercase;
}

.simple-tiers .paid-tier {
  border-color: var(--cyan-low);
  box-shadow: inset 0 0 30px rgba(0, 242, 255, .035);
}

.simple-tiers .paid-tier h2 {
  color: var(--cyan);
}

.simple-tiers p {
  margin: 10px 0 0;
  color: var(--cyan);
}

.fine-print {
  margin: 18px 0 0;
}

@media (max-width: 720px) {
  .simple-referrals {
    min-height: 0;
    padding-top: 0;
  }

  .simple-referrals h1 {
    font-size: clamp(3.35rem, 16vw, 6rem);
  }

  .simple-tiers {
    grid-template-columns: 1fr;
  }

  .simple-tiers article {
    min-height: 118px;
  }

  .simple-tiers h2 {
    margin-top: 26px;
  }
}