:root {
  color-scheme: dark;
  --bg: #080a0c;
  --surface: #101419;
  --surface-raised: #161c22;
  --text: #f2f5f7;
  --text-muted: #9aa5b1;
  --text-subtle: #6f7a86;
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.16);
  --accent: #8bd6b2;
  --accent-strong: #a5e6c7;
  --danger: #ff9a9a;
  --warning: #e8c779;
  --focus: #b7f3d7;
  --radius-control: 8px;
  --radius-card: 12px;
  --content-wide: 1120px;
  --content-task: 720px;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--bg);
}

body {
  min-height: 100vh;
  margin: 0;
  padding: 32px 20px;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

body,
button,
textarea {
  font-size: 1rem;
}

button,
textarea {
  font: inherit;
}

button {
  min-height: 44px;
  padding: 10px 18px;
  border: 1px solid transparent;
  border-radius: var(--radius-control);
  background: var(--accent);
  color: #08110d;
  cursor: pointer;
  font-weight: 700;
}

button:hover:not(:disabled) {
  background: var(--accent-strong);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

button.button-secondary,
.button-secondary {
  border-color: var(--border-strong);
  background: transparent;
  color: var(--text);
}

button.button-secondary:hover:not(:disabled),
.button-secondary:hover {
  border-color: var(--accent);
  background: var(--surface-raised);
}

button:focus-visible,
a:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

a {
  color: var(--accent-strong);
  text-decoration-color: rgba(165, 230, 199, 0.45);
  text-underline-offset: 3px;
}

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

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

h1,
h2,
h3 {
  line-height: 1.2;
}

h1 {
  font-size: clamp(1.6rem, 4vw, 2.25rem);
}

h2 {
  margin-top: 2rem;
  font-size: 1.15rem;
}

code,
pre,
.url,
.command {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}

.page-shell {
  width: min(100%, var(--content-task));
  margin: 0 auto;
}

.landing-shell {
  width: min(100%, var(--content-wide));
  margin: 0 auto;
}

.task-shell {
  width: min(100%, var(--content-task));
  margin: 0 auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 48px;
}

.brand {
  color: var(--text);
  font-weight: 760;
  letter-spacing: -0.04em;
  text-decoration: none;
}

.brand-mark {
  font-size: 1.25rem;
}

.eyebrow,
.badge {
  color: var(--text-subtle);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow {
  margin-bottom: 12px;
}

.hero {
  max-width: 760px;
  margin-bottom: 40px;
}

.hero h1 {
  max-width: 720px;
  margin-bottom: 18px;
  font-size: clamp(2.25rem, 7vw, 4.8rem);
  letter-spacing: -0.065em;
}

.lede {
  max-width: 680px;
  color: var(--text-muted);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
}

.badge-row,
.button-row,
.link-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.badge-row {
  margin: 24px 0;
}

.badge {
  padding: 5px 9px;
  border: 1px solid rgba(139, 214, 178, 0.35);
  border-radius: 999px;
  background: rgba(139, 214, 178, 0.07);
  color: var(--accent-strong);
  transition: border-color 0.15s ease, background-color 0.15s ease;
}

.badge:hover,
.badge:focus-visible {
  border-color: rgba(139, 214, 178, 0.55);
  background-color: rgba(139, 214, 178, 0.12);
}

.flow-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.flow-card,
.panel,
.agent-callout,
.trust-note {
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  background: var(--surface);
}

.flow-card,
.panel {
  padding: 24px;
}

.flow-card p,
.trust-note,
.note {
  color: var(--text-muted);
}

.flow-card h2,
.panel h2 {
  margin-top: 0;
}

.step-list {
  display: grid;
  gap: 14px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.step-list li {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 10px;
}

.step-number {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border: 1px solid var(--border-strong);
  border-radius: 50%;
  color: var(--accent-strong);
  font-size: 0.8rem;
}

.agent-callout {
  display: grid;
  gap: 12px;
  margin: 24px 0;
  padding: 18px 20px;
}

.url,
.command {
  overflow-wrap: anywhere;
  color: var(--accent-strong);
}

textarea {
  display: block;
  width: 100%;
  min-height: 150px;
  resize: vertical;
  padding: 12px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-control);
  background: var(--surface-raised);
  color: var(--text);
}

textarea::placeholder {
  color: var(--text-subtle);
}

#status {
  display: none;
  margin-top: 16px;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-control);
  background: var(--surface-raised);
  color: var(--text-muted);
  white-space: pre-wrap;
}

#status:not([data-error="true"]) {
  border-color: rgba(139, 214, 178, 0.3);
}

#status[data-error="true"] {
  border-color: rgba(255, 154, 154, 0.38);
  color: var(--danger);
}

.note,
.trust-note {
  margin-top: 24px;
  font-size: 0.88rem;
}

.alert {
  margin-top: 24px;
  padding: 14px 16px;
  border: 1px solid rgba(232, 199, 121, 0.3);
  border-radius: var(--radius-control);
  background: rgba(232, 199, 121, 0.06);
  color: var(--text-muted);
  font-size: 0.9rem;
}

.alert b {
  color: var(--warning);
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  margin-top: 56px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  color: var(--text-subtle);
  font-size: 0.85rem;
}

[hidden] {
  display: none !important;
}

@media (max-width: 720px) {
  body {
    padding: 24px 16px;
  }

  .site-header {
    margin-bottom: 36px;
  }

  .hero h1 {
    font-size: clamp(2.2rem, 13vw, 3.5rem);
  }

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

  .flow-card,
  .panel {
    padding: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}