:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #0f172a;
  color: #f6f4eb;
  font-synthesis: none;
  --accent: #c8b0ff;
  --accent-secondary: #b5d2ff;
  --brand-purple: #4f46dc;
  --brand-deep: #1a1636;
  --ink: #0f172a;
  --paper: #f6f4eb;
  --muted: #a8aea1;
  --line: rgb(246 244 235 / 14%);
  --danger: #ff8f7d;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: #0f172a;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  background:
    linear-gradient(rgb(246 244 235 / 3%) 1px, transparent 1px),
    linear-gradient(90deg, rgb(246 244 235 / 3%) 1px, transparent 1px),
    radial-gradient(circle at 10% 20%, rgb(200 176 255 / 12%), transparent 28rem),
    radial-gradient(circle at 90% 10%, rgb(181 210 255 / 8%), transparent 24rem),
    #0f172a;
  background-size: 3rem 3rem, 3rem 3rem, auto, auto, auto;
}

a {
  color: inherit;
}

.site-header,
main,
footer {
  width: min(100% - 3rem, 82rem);
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 1.75rem;
  border-bottom: 1px solid var(--line);
}

.wordmark {
  display: inline-flex;
  width: clamp(6.75rem, 13vw, 8.5rem);
  flex: 0 0 auto;
  text-decoration: none;
}

.wordmark img {
  display: block;
  width: 100%;
  height: auto;
}

.event-label,
.card-kicker,
.eyebrow {
  margin: 0;
  color: var(--accent);
  font-size: 0.7rem;
  font-weight: 750;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.event-label {
  color: var(--muted);
}

.hero {
  display: grid;
  min-height: calc(100vh - 12rem);
  grid-template-columns: minmax(0, 1.15fr) minmax(22rem, 0.85fr);
  grid-template-areas:
    "intro form"
    "steps form";
  column-gap: clamp(3rem, 7vw, 7rem);
  row-gap: 3.5rem;
  align-content: center;
  align-items: start;
  padding-block: clamp(4rem, 9vw, 8rem);
}

.hero-copy {
  grid-area: intro;
  max-width: 48rem;
}

.eyebrow {
  margin-bottom: 1.75rem;
}

h1,
h2,
p {
  text-wrap: pretty;
}

h1 {
  margin: 0;
  font-size: clamp(3.25rem, 7.3vw, 7rem);
  font-weight: 780;
  letter-spacing: -0.03em;
  line-height: 0.96;
}

h1 span {
  color: var(--accent);
}

.lede {
  max-width: 35rem;
  margin: 2rem 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.8vw, 1.35rem);
  line-height: 1.55;
}

.steps {
  display: grid;
  grid-area: steps;
  max-width: 39rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.steps li {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 0.5rem;
  padding-block: 1rem;
  border-top: 1px solid var(--line);
  color: #d8d9e4;
  line-height: 1.45;
}

.steps li:last-child {
  border-bottom: 1px solid var(--line);
}

.step-number {
  color: var(--accent-secondary);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.75rem;
}

.entry-card {
  position: relative;
  grid-area: form;
  align-self: center;
  overflow: hidden;
  padding: clamp(1.5rem, 4vw, 3rem);
  border: 1px solid rgb(15 23 42 / 10%);
  border-radius: 1.5rem;
  background: var(--paper);
  box-shadow: 0 2rem 7rem rgb(0 0 0 / 28%);
  color: var(--ink);
}

.entry-card::before {
  position: absolute;
  top: 0;
  right: 0;
  width: 7rem;
  height: 0.55rem;
  border-bottom-left-radius: 0.5rem;
  background: var(--accent);
  content: "";
}

.entry-card-heading {
  margin-bottom: 2rem;
}

.card-kicker {
  color: var(--brand-purple);
}

.entry-card h2 {
  margin: 0.55rem 0 0;
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.03em;
  line-height: 1;
}

.entry-card-heading > p:last-child,
.success-panel > p:last-child {
  margin: 1rem 0 0;
  color: #686b64;
  line-height: 1.5;
}

form {
  display: grid;
  gap: 1.15rem;
}

.field-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.9rem;
}

.field {
  display: grid;
  gap: 0.45rem;
}

label {
  font-size: 0.72rem;
  font-weight: 760;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

input {
  width: 100%;
  min-height: 3.35rem;
  padding: 0.75rem 0;
  border: 0;
  border-bottom: 1px solid #bec0b9;
  border-radius: 0;
  outline: 0;
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-size: 1.05rem;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

input:hover {
  border-color: #777b72;
}

input:focus-visible {
  border-color: var(--brand-purple);
  box-shadow: 0 2px 0 var(--brand-purple);
}

form.was-validated input:invalid {
  border-color: #cf4f3f;
  box-shadow: 0 2px 0 #cf4f3f;
}

.trap {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.data-note {
  margin: 0.35rem 0 0;
  color: #777a73;
  font-size: 0.78rem;
  line-height: 1.45;
}

.submit-button {
  display: flex;
  min-height: 3.75rem;
  margin-top: 0.15rem;
  padding: 0.8rem 1.1rem 0.8rem 1.35rem;
  border: 0;
  border-radius: 999px;
  align-items: center;
  justify-content: space-between;
  background: var(--ink);
  color: var(--paper);
  cursor: pointer;
  font: inherit;
  font-weight: 750;
  transition: background-color 160ms ease, color 160ms ease, transform 160ms ease;
}

.submit-button:hover:not(:disabled),
.submit-button:focus-visible:not(:disabled) {
  background: var(--brand-deep);
  color: var(--accent);
  transform: translateY(-1px);
}

.submit-button:focus-visible {
  outline: 3px solid var(--accent-secondary);
  outline-offset: 3px;
}

.submit-button:disabled {
  cursor: wait;
  opacity: 0.65;
}

.button-arrow {
  font-size: 1.4rem;
  line-height: 1;
}

.form-status {
  min-height: 1.25rem;
  margin: -0.35rem 0 0;
  color: #a63e31;
  font-size: 0.82rem;
  line-height: 1.4;
}

.success-panel {
  min-height: 26rem;
  flex-direction: column;
  justify-content: center;
  outline: none;
}

.success-panel:not([hidden]) {
  display: flex;
}

.success-mark {
  display: grid;
  width: 4rem;
  height: 4rem;
  margin: 0 0 2rem;
  border-radius: 50%;
  place-items: center;
  background: var(--accent);
  color: var(--ink);
  font-size: 1.65rem;
  font-weight: 800;
}

footer {
  padding-block: 2rem 3rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.78rem;
}

footer p {
  margin: 0;
}

footer a {
  color: var(--paper);
  text-underline-offset: 0.25em;
}

@media (max-width: 850px) {
  .hero {
    grid-template-columns: 1fr;
    grid-template-areas:
      "intro"
      "form"
      "steps";
  }

  .entry-card {
    width: 100%;
    max-width: 38rem;
  }
}

@media (max-width: 540px) {
  .site-header,
  main,
  footer {
    width: min(100% - 2rem, 82rem);
  }

  .site-header {
    padding-block: 1.25rem;
  }

  .event-label {
    font-size: 0.58rem;
    letter-spacing: 0.09em;
  }

  .hero {
    gap: 3.5rem;
    padding-block: 3.5rem;
  }

  h1 {
    font-size: clamp(2.9rem, 13.5vw, 5rem);
    letter-spacing: -0.03em;
  }

  .field-pair {
    grid-template-columns: 1fr;
    gap: 1.15rem;
  }

  .entry-card {
    border-radius: 1.1rem;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .hero-copy,
  .entry-card,
  .steps {
    animation: arrive 600ms both cubic-bezier(0.2, 0.7, 0.2, 1);
  }

  .entry-card {
    animation-delay: 120ms;
  }

  .steps {
    animation-delay: 200ms;
  }

  @keyframes arrive {
    from {
      opacity: 0;
      transform: translateY(0.8rem);
    }
  }
}