main {
  width: min(1180px, 90vw);
  margin: 0 auto;
}
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.65fr);
  gap: 5rem;
  align-items: center;
  min-height: 700px;
  padding: 7rem 0 6rem;
}
.eyebrow {
  margin: 0 0 1rem;
  color: var(--teal);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}
h1,
h2 {
  margin: 0;
  letter-spacing: -0.045em;
  line-height: 1.02;
}
h1 {
  max-width: 820px;
  font-size: clamp(3.1rem, 6.5vw, 6.2rem);
}
h2 {
  font-size: clamp(2rem, 4vw, 3.6rem);
}
.hero-copy {
  max-width: 700px;
  margin: 2rem 0 0;
  color: var(--muted);
  font-size: 1.15rem;
  line-height: 1.75;
}
.hero-actions,
.next-actions > div:last-child {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2.2rem;
}

button,
.link-button {
  border: 0;
  border-radius: 11px;
  font: inherit;
  font-weight: 750;
  cursor: pointer;
}
.primary,
.secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 1.2rem;
}
.primary {
  background: var(--teal);
  color: #04120f;
  box-shadow: 0 12px 35px rgba(50, 225, 191, 0.14);
}
.primary:hover,
.primary:focus-visible {
  background: #79efd9;
}
.secondary {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.025);
  color: var(--ink);
}
.secondary:hover,
.secondary:focus-visible {
  border-color: rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.06);
}
.compact {
  min-height: 40px;
  padding: 0 1rem;
  font-size: 0.85rem;
}

.safety-card,
.console-card,
.verification-card,
.event-stream,
.code-card {
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--panel);
  box-shadow: 0 28px 90px rgba(0, 0, 0, 0.22);
}
.safety-card {
  position: relative;
  padding: 2rem;
  overflow: hidden;
}
.safety-card::after {
  position: absolute;
  right: -65px;
  bottom: -65px;
  width: 170px;
  height: 170px;
  border-radius: 50%;
  background: rgba(50, 225, 191, 0.06);
  content: "";
}
.status-dot {
  display: inline-block;
  width: 9px;
  height: 9px;
  margin-right: 0.55rem;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 16px var(--teal);
}
.safety-card p {
  margin: 1rem 0 1.5rem;
  color: var(--muted);
  line-height: 1.6;
}
.safety-card ul {
  display: grid;
  gap: 0.8rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.9rem;
}
.safety-card li::before {
  margin-right: 0.65rem;
  color: var(--teal);
  content: "✓";
}

.architecture {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 2rem;
  align-items: center;
  padding: 2.5rem;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.025);
}
.architecture article {
  display: grid;
  gap: 0.55rem;
}
.architecture article > span {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}
.architecture p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.55;
}
.direction {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--teal);
}

.walkthrough,
.callback-section,
.code-section {
  padding: 8rem 0 1rem;
}
.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 2.4rem;
}
.section-heading > p,
.progress-label {
  max-width: 420px;
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}
.progress-label {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.82rem;
}
.walkthrough-grid {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: 1.4rem;
}
.flow-steps {
  display: grid;
  gap: 0.35rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.flow-steps li {
  display: flex;
  align-items: center;
  gap: 1rem;
  min-height: 68px;
  padding: 0.8rem 1rem;
  border: 1px solid transparent;
  border-radius: 13px;
  color: var(--muted);
  transition: 180ms ease;
}
.flow-steps li > span {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.7rem;
}
.flow-steps li div {
  display: grid;
  gap: 0.25rem;
}
.flow-steps li strong {
  color: inherit;
  font-size: 0.93rem;
}
.flow-steps li small {
  color: #6d7d8b;
}
.flow-steps li.active {
  border-color: rgba(50, 225, 191, 0.3);
  background: rgba(50, 225, 191, 0.08);
  color: var(--teal);
  transform: translateX(5px);
}
.flow-steps li.complete {
  color: var(--ink);
}
.flow-steps li.complete > span {
  color: var(--teal);
}

.console-card {
  min-height: 520px;
  overflow: hidden;
}
.console-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 66px;
  padding: 0 1.5rem;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.018);
}
.console-toolbar > div {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  min-width: 0;
}
.console-toolbar code {
  overflow: hidden;
  color: var(--muted);
  text-overflow: ellipsis;
  white-space: nowrap;
}
.method,
.http-status {
  border-radius: 6px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.06em;
}
.method {
  padding: 0.35rem 0.45rem;
  background: rgba(115, 167, 255, 0.12);
  color: var(--blue);
}
.http-status {
  color: var(--teal);
}
.console-body {
  padding: 1.7rem;
}
.console-meta {
  display: grid;
  gap: 0.45rem;
  margin-bottom: 1.3rem;
}
.console-meta span {
  color: var(--teal);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.console-body pre,
.code-card pre {
  overflow: auto;
  margin: 0;
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 12px;
  background: #0b1117;
}
.console-body pre {
  min-height: 300px;
  padding: 1.3rem;
}
code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}
pre code {
  color: #c7d3dd;
  font-size: 0.82rem;
  line-height: 1.7;
}
.console-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.65rem;
  padding: 0 1.7rem 1.7rem;
}

.callback-grid {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 1.4rem;
}
.verification-card {
  padding: 1.6rem;
}
.verification-card ol {
  display: grid;
  gap: 1.35rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.verification-card li {
  display: flex;
  gap: 1rem;
}
.verification-card li > span {
  display: grid;
  flex: 0 0 30px;
  height: 30px;
  place-items: center;
  border-radius: 8px;
  background: rgba(50, 225, 191, 0.1);
  color: var(--teal);
  font-size: 0.75rem;
  font-weight: 800;
}
.verification-card p {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.5;
}
.event-stream {
  min-height: 350px;
  padding: 1.6rem;
}
.stream-title {
  display: flex;
  justify-content: space-between;
  padding-bottom: 1.2rem;
  border-bottom: 1px solid var(--line);
}
.stream-title span {
  color: var(--muted);
  font-size: 0.82rem;
}
.event-list {
  display: grid;
  gap: 0.65rem;
  padding-top: 1rem;
}
.event-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.8rem;
  align-items: center;
  padding: 0.8rem;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.025);
}
.event-item > span:first-child {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--teal);
}
.event-item strong {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.78rem;
}
.event-item small {
  color: var(--muted);
}
.event-item time {
  color: #6d7d8b;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.7rem;
}
.empty-state {
  margin: 4.5rem auto;
  color: var(--muted);
  text-align: center;
}

.code-card {
  overflow: hidden;
}
.tabs {
  display: flex;
  gap: 0.25rem;
  padding: 0.7rem;
  border-bottom: 1px solid var(--line);
}
.tabs button {
  min-height: 38px;
  padding: 0 0.9rem;
  background: transparent;
  color: var(--muted);
  font-size: 0.82rem;
}
.tabs button[aria-selected="true"] {
  background: rgba(50, 225, 191, 0.1);
  color: var(--teal);
}
.code-card pre {
  min-height: 390px;
  padding: 1.5rem;
  border: 0;
  border-radius: 0;
}
.next-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  margin: 8rem 0 6rem;
  padding: 3rem;
  border: 1px solid rgba(50, 225, 191, 0.22);
  border-radius: 20px;
  background: linear-gradient(
    120deg,
    rgba(50, 225, 191, 0.09),
    rgba(115, 167, 255, 0.05)
  );
}
.next-actions h2 {
  max-width: 650px;
  font-size: clamp(1.8rem, 3vw, 3rem);
}
.next-actions > div:last-child {
  flex-shrink: 0;
  margin-top: 0;
}
footer {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  padding: 2rem 5vw;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.78rem;
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 3rem;
    min-height: auto;
    padding-top: 5rem;
  }
  .walkthrough-grid,
  .callback-grid {
    grid-template-columns: 1fr;
  }
  .flow-steps {
    grid-template-columns: repeat(2, 1fr);
  }
  .flow-steps li.active {
    transform: none;
  }
  .next-actions {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 620px) {
  main {
    width: min(92vw, 1180px);
  }
  .hero {
    padding-top: 4rem;
  }
  h1 {
    font-size: 2.8rem;
  }
  .architecture {
    grid-template-columns: 1fr;
  }
  .direction {
    transform: rotate(90deg);
  }
  .section-heading {
    align-items: flex-start;
    flex-direction: column;
  }
  .flow-steps {
    grid-template-columns: 1fr;
  }
  .console-toolbar {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.65rem;
    padding-block: 1rem;
  }
  .tabs {
    overflow-x: auto;
  }
  .next-actions {
    padding: 2rem;
  }
  footer {
    flex-direction: column;
  }
}