:root {
  color-scheme: light;
  --bg: #f5f8fc;
  --card: rgba(255, 255, 255, 0.94);
  --ink: #142033;
  --muted: #647084;
  --line: #d9e3ee;
  --primary: #245fd6;
  --primary-dark: #1e49a8;
  --success-bg: #eaf8ef;
  --success: #146c3d;
  --warning-bg: #fff4de;
  --warning: #805000;
  font-family: Aptos, Inter, "SF Pro Text", "Segoe UI Variable Text", "Segoe UI", Roboto, "Helvetica Neue", Arial, ui-sans-serif, system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 10% 0%, rgba(36, 95, 214, 0.16), transparent 30rem),
    radial-gradient(circle at 95% 18%, rgba(12, 174, 214, 0.13), transparent 28rem),
    linear-gradient(135deg, #f6f9fd 0%, #edf3fb 100%);
  color: var(--ink);
}

main {
  width: min(980px, calc(100% - 32px));
  margin: 0 auto;
  padding: 42px 0 52px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 22px;
  align-items: center;
  margin-bottom: 18px;
  border: 1px solid rgba(217, 227, 238, 0.9);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.76);
  box-shadow: 0 24px 70px rgba(31, 67, 170, 0.1);
  backdrop-filter: blur(18px);
  padding: 24px;
}

.brand-logo {
  width: min(148px, 34vw);
  height: min(148px, 34vw);
  border-radius: 18px;
  object-fit: cover;
  object-position: center;
  filter: drop-shadow(0 18px 34px rgba(33, 150, 243, 0.22));
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--primary);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1 {
  max-width: 680px;
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 1.04;
  letter-spacing: 0;
}

.subtitle {
  max-width: 720px;
  margin-top: 12px;
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.55;
}

.thanks-note {
  display: grid;
  gap: 4px;
  margin-bottom: 18px;
  border: 1px solid #cfe2ff;
  border-radius: 16px;
  background: #f4f9ff;
  color: #21456f;
  padding: 14px 16px;
}

.thanks-note strong {
  color: #17375c;
}

.beta-flow {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  align-items: start;
}

.beta-step {
  display: grid;
  grid-template-rows: auto auto auto;
  gap: 12px;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--card);
  box-shadow: 0 18px 48px rgba(31, 67, 170, 0.08);
  padding: 18px;
}

.step-number {
  display: inline-grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 12px;
  background: #eaf2ff;
  color: var(--primary);
  font-size: 1rem;
  font-weight: 950;
}

.step-content {
  display: grid;
  gap: 8px;
  min-width: 0;
}

.step-content strong {
  color: var(--ink);
  font-size: 1.06rem;
  font-weight: 900;
}

.step-content p {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.45;
}

button,
.app-link,
.resource-link {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid var(--primary);
  border-radius: 10px;
  background: var(--primary);
  color: #ffffff;
  cursor: pointer;
  font: inherit;
  font-size: 0.92rem;
  font-weight: 850;
  padding: 0 15px;
  text-align: center;
  text-decoration: none;
}

button:hover,
.app-link:hover,
.resource-link:hover {
  border-color: var(--primary-dark);
  background: var(--primary-dark);
}

.step-actions {
  display: grid;
  gap: 9px;
  align-self: start;
  margin-top: 0;
}

.result {
  display: none;
  margin-top: 4px;
  border-radius: 14px;
  padding: 13px;
}

.result.visible {
  display: grid;
  gap: 9px;
}

.result.success {
  background: var(--success-bg);
  color: var(--success);
}

.result.warning {
  background: var(--warning-bg);
  color: var(--warning);
}

.license-key {
  display: inline-block;
  width: fit-content;
  max-width: 100%;
  border: 1px dashed currentColor;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--ink);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: clamp(0.95rem, 2.4vw, 1.18rem);
  font-weight: 850;
  overflow-wrap: anywhere;
  padding: 9px 10px;
}

.note {
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.45;
}

footer {
  margin-top: 24px;
  color: var(--muted);
  font-size: 0.84rem;
  text-align: center;
}

@media (max-width: 860px) {
  .hero,
  .beta-flow {
    grid-template-columns: 1fr;
  }

  .brand-logo {
    width: min(148px, 100%);
    justify-self: start;
  }
}

@media (max-width: 560px) {
  main {
    width: min(100% - 24px, 980px);
    padding: 26px 0 42px;
  }

  .hero,
  .beta-step {
    padding: 16px;
  }
}