:root {
  color-scheme: light;
  --bg: #f4f0e8;
  --bg-elevated: rgba(255, 252, 247, 0.82);
  --surface: #fffdf8;
  --surface-strong: #fffaf2;
  --surface-accent: #eef7f5;
  --ink: #132026;
  --ink-soft: #55656d;
  --ink-faint: #7b8b92;
  --line: rgba(19, 32, 38, 0.1);
  --line-strong: rgba(19, 32, 38, 0.18);
  --accent: #0f766e;
  --accent-strong: #0a4f4a;
  --accent-warm: #b5653c;
  --danger: #b3483d;
  --ok: #216c5a;
  --shadow-soft: 0 20px 60px rgba(31, 42, 48, 0.08);
  --shadow-card: 0 24px 90px rgba(31, 42, 48, 0.09);
  --radius-xl: 34px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --font-display: "Space Grotesk", "Avenir Next", sans-serif;
  --font-body: "IBM Plex Sans", "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top right, rgba(15, 118, 110, 0.08), transparent 26%),
    radial-gradient(circle at 12% 8%, rgba(181, 101, 60, 0.08), transparent 20%),
    linear-gradient(180deg, #f7f4ed 0%, var(--bg) 100%);
  color: var(--ink);
  font: 16px/1.65 var(--font-body);
}

a {
  color: inherit;
}

button,
input,
select,
textarea {
  font: inherit;
}

.page-aura {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(15, 118, 110, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 118, 110, 0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.6), transparent 72%);
}

.shell {
  width: min(1180px, calc(100vw - 32px));
  margin: 0 auto;
}

.page-stack {
  display: grid;
  gap: 26px;
  padding: 28px 0 72px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  padding-top: 16px;
}

.shell-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 14px 18px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 999px;
  background: rgba(255, 251, 244, 0.78);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow-soft);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  overflow: hidden;
  background: linear-gradient(135deg, #103836, #0f766e);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.18),
    0 10px 22px rgba(15, 118, 110, 0.18);
}

.brand-mark img {
  display: block;
  width: 100%;
  height: 100%;
}

.brand-copy {
  display: grid;
  gap: 2px;
}

.brand-copy strong {
  font: 700 1rem/1.05 var(--font-display);
  letter-spacing: -0.03em;
}

.brand-copy span {
  color: var(--ink-faint);
  font-size: 0.86rem;
}

.site-nav {
  display: inline-flex;
  gap: 8px;
  padding: 6px;
  border-radius: 999px;
  background: rgba(19, 32, 38, 0.04);
}

.site-nav a {
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--ink-soft);
  text-decoration: none;
  transition: background 180ms ease, color 180ms ease, transform 180ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a.is-active {
  background: rgba(15, 118, 110, 0.12);
  color: var(--accent-strong);
}

.eyebrow,
.metric-card span,
.docs-label,
.field span,
.mini-stat span,
.primitive-stack strong,
.status-pill,
.lab-badge {
  font-family: var(--font-mono);
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
  text-decoration: none;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease,
    background 180ms ease,
    color 180ms ease;
}

.button:hover,
.button:focus-visible,
.segmented__button:hover,
.segmented__button:focus-visible,
.scenario-chip:hover,
.scenario-chip:focus-visible,
.route-card:hover,
.route-card:focus-visible,
.docs-card:hover,
.docs-card:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(15, 118, 110, 0.28);
  box-shadow: 0 16px 40px rgba(31, 42, 48, 0.08);
}

.button-primary {
  background: linear-gradient(135deg, #0f766e, #12675f);
  color: #f8fffe;
  border-color: transparent;
}

.button-secondary {
  background: var(--surface-accent);
  color: var(--accent-strong);
}

.button-ghost {
  background: rgba(19, 32, 38, 0.04);
  color: var(--ink-soft);
}

.button-small {
  min-height: 36px;
  padding-inline: 14px;
}

.hero-card,
.page-hero,
.panel-card,
.feature-card,
.board-card,
.docs-card,
.control-card,
.trace-card,
.lab-chat-shell,
.metric-card,
.cta-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: var(--bg-elevated);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow-card);
}

.hero-card {
  display: grid;
  align-items: start;
  grid-template-columns: minmax(0, 1.02fr) minmax(340px, 0.98fr);
  gap: 24px;
  padding: 36px;
}

.page-hero {
  padding: 34px 36px;
}

.hero-inline-art {
  margin-top: 24px;
  overflow: hidden;
  max-width: 560px;
  border: 1px solid rgba(15, 118, 110, 0.12);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.64);
  box-shadow: 0 18px 52px rgba(31, 42, 48, 0.08);
}

.hero-copy h1,
.page-hero h1,
.feature-card h2,
.panel-card h2,
.board-card h3,
.docs-card strong,
.control-card h3,
.lab-chat-head h3,
.trace-head h3 {
  margin: 0;
  font-family: var(--font-display);
  letter-spacing: -0.04em;
}

.hero-copy h1,
.page-hero h1 {
  max-width: 10.8ch;
  font-size: clamp(2.45rem, 4.45vw, 4.35rem);
  line-height: 0.98;
  text-wrap: balance;
}

.hero-lede,
.subtitle,
.feature-card p,
.panel-card p,
.board-card p,
.docs-card p,
.composer-note,
.capability-copy,
.status-copy {
  color: var(--ink-soft);
}

.hero-lede {
  max-width: 62ch;
  margin: 18px 0 0;
  font-size: 1.02rem;
}

.hero-lede.narrow {
  max-width: 58ch;
}

.hero-actions,
.board-actions,
.control-actions,
.lab-composer-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-actions {
  margin-top: 24px;
}

.hero-panel {
  display: grid;
  gap: 16px;
}

.hero-showcase {
  display: grid;
  gap: 14px;
}

.art-card {
  overflow: hidden;
  display: grid;
  gap: 0;
  border: 1px solid rgba(15, 118, 110, 0.12);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.68);
  box-shadow: 0 22px 64px rgba(31, 42, 48, 0.1);
}

.art-card img,
.hero-inline-art img {
  display: block;
  width: 100%;
  height: auto;
}

.art-card-copy {
  display: grid;
  gap: 8px;
  padding: 18px 20px 20px;
}

.art-card-copy strong {
  font: 700 1.04rem/1.25 var(--font-display);
  letter-spacing: -0.03em;
}

.art-card-primary {
  transform: rotate(-1.2deg);
}

.art-card-secondary {
  max-width: 88%;
  margin-left: auto;
  transform: rotate(1.6deg);
}

.hero-terminal {
  overflow: hidden;
  border: 1px solid rgba(15, 118, 110, 0.12);
  border-radius: 26px;
  background: #0f171b;
  color: #d7e5eb;
}

.terminal-head,
.lab-chat-head,
.trace-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
}

.terminal-head {
  justify-content: flex-start;
  gap: 8px;
  border-color: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.68);
  font: 500 0.82rem/1.2 var(--font-mono);
}

.terminal-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.16);
}

.terminal-code {
  margin: 0;
  padding: 18px;
  white-space: pre-wrap;
  font: 500 0.94rem/1.65 var(--font-mono);
}

.hero-metrics,
.release-strip,
.section-grid,
.docs-grid,
.board-grid {
  display: grid;
  gap: 18px;
}

.hero-metrics {
  grid-template-columns: 1fr;
}

.metric-card,
.release-card {
  padding: 18px;
  border-radius: var(--radius-lg);
}

.metric-card span {
  display: block;
  color: var(--ink-faint);
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.metric-card strong {
  display: block;
  margin-top: 8px;
  font-family: var(--font-display);
  letter-spacing: -0.03em;
}

.section-grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.section-grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.feature-card,
.panel-card,
.docs-card,
.board-card,
.control-card,
.trace-card {
  padding: 24px;
}

.feature-card h2,
.panel-card h2 {
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  line-height: 1.02;
}

.feature-list {
  margin: 16px 0 0;
  padding-left: 18px;
  color: var(--ink-soft);
}

.feature-list li + li {
  margin-top: 10px;
}

.primitive-stack {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.primitive-stack div {
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.56);
}

.primitive-stack strong {
  color: var(--accent-warm);
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.primitive-stack span {
  color: var(--ink-soft);
}

.cta-grid,
.docs-grid,
.board-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.route-card,
.docs-card {
  display: grid;
  gap: 10px;
  padding: 22px;
  text-decoration: none;
}

.route-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.44);
}

.route-card strong,
.docs-card strong {
  font-size: 1.2rem;
}

.docs-label {
  color: var(--accent);
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.release-strip {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.board-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.board-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 12px;
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(15, 118, 110, 0.1);
  color: var(--accent-strong);
  font: 500 0.74rem/1.2 var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.board-card ul {
  margin: 16px 0 0;
  padding-left: 18px;
  color: var(--ink-soft);
}

.board-card li + li {
  margin-top: 8px;
}

.board-card--loading,
.board-card--error {
  grid-column: 1 / -1;
}

.error {
  color: var(--danger);
}

.lab-layout {
  display: grid;
  gap: 22px;
  grid-template-columns: minmax(280px, 0.82fr) minmax(0, 1.38fr);
}

.lab-sidebar,
.lab-main,
.lab-sidepanels {
  display: grid;
  gap: 18px;
}

.segmented {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-top: 14px;
}

.segmented__button {
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.64);
  color: var(--ink-soft);
  cursor: pointer;
  transition: border-color 180ms ease, background 180ms ease, color 180ms ease;
}

.segmented__button.is-active {
  border-color: rgba(15, 118, 110, 0.28);
  background: rgba(15, 118, 110, 0.12);
  color: var(--accent-strong);
}

.field {
  display: grid;
  gap: 8px;
  margin-top: 14px;
}

.field span {
  color: var(--ink-faint);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.field input,
.field select,
.lab-composer textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.82);
  color: var(--ink);
}

.field input,
.field select {
  min-height: 48px;
  padding: 0 14px;
}

.status-pill {
  margin: 14px 0 0;
  padding: 12px 14px;
  border: 1px solid rgba(15, 118, 110, 0.18);
  border-radius: 16px;
  background: rgba(15, 118, 110, 0.08);
  color: var(--accent-strong);
  font-size: 0.86rem;
}

.progress-rail {
  width: 100%;
  height: 8px;
  margin-top: 12px;
  border-radius: 999px;
  background: rgba(19, 32, 38, 0.08);
  overflow: hidden;
}

.progress-rail__fill {
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), var(--accent-warm));
  transition: width 180ms ease;
}

.scenario-list,
.mini-stats {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.scenario-chip,
.mini-stat {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.62);
}

.scenario-chip {
  width: 100%;
  color: var(--ink-soft);
  text-align: left;
  cursor: pointer;
}

.mini-stat span {
  display: block;
  color: var(--ink-faint);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.mini-stat strong {
  display: block;
  margin-top: 8px;
  font-family: var(--font-display);
}

.lab-chat-shell,
.trace-card {
  overflow: hidden;
}

.lab-chat-head h3,
.trace-head h3 {
  font-size: 1.1rem;
}

.lab-badge {
  display: inline-flex;
  align-items: center;
  padding: 7px 12px;
  border-radius: 999px;
  border: 1px solid rgba(33, 108, 90, 0.18);
  background: rgba(33, 108, 90, 0.08);
  color: var(--ok);
  font-size: 0.8rem;
}

.lab-transcript {
  min-height: 420px;
  max-height: 620px;
  overflow: auto;
  padding: 18px;
  display: grid;
  gap: 14px;
  background: rgba(255, 255, 255, 0.34);
}

.message {
  display: grid;
  gap: 8px;
  max-width: 92%;
  padding: 14px 16px;
  border-radius: 20px;
  border: 1px solid var(--line);
}

.message strong {
  color: var(--accent);
  font: 600 0.8rem/1.2 var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.message p {
  margin: 0;
  white-space: pre-wrap;
}

.message-user {
  justify-self: end;
  background: rgba(15, 118, 110, 0.1);
}

.message-assistant,
.message-system {
  background: rgba(255, 255, 255, 0.74);
}

.message-tool {
  background: rgba(181, 101, 60, 0.08);
}

.lab-composer {
  padding: 18px;
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.56);
}

.lab-composer textarea {
  min-height: 112px;
  padding: 14px 16px;
  resize: vertical;
}

.lab-composer-actions {
  align-items: center;
  justify-content: space-between;
  margin-top: 14px;
}

.lab-sidepanels {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.trace-list,
.log-console {
  min-height: 260px;
  max-height: 340px;
  overflow: auto;
  padding: 16px 18px 18px;
  background: rgba(255, 255, 255, 0.4);
}

.trace-entry {
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.trace-entry:last-child {
  border-bottom: 0;
}

.trace-entry__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.trace-entry__head strong {
  font-size: 0.94rem;
}

.trace-entry__head span {
  color: var(--ink-faint);
  font: 500 0.74rem/1.2 var(--font-mono);
}

.trace-entry pre,
.log-console {
  margin: 10px 0 0;
  white-space: pre-wrap;
  color: var(--ink-soft);
  font: 0.85rem/1.6 var(--font-mono);
}

.hidden,
.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.field input:focus,
.field select:focus,
.lab-composer textarea:focus,
.button:focus-visible,
.segmented__button:focus-visible,
.scenario-chip:focus-visible,
.site-nav a:focus-visible,
.route-card:focus-visible,
.docs-card:focus-visible {
  outline: 2px solid rgba(15, 118, 110, 0.28);
  outline-offset: 2px;
}

@media (max-width: 1080px) {
  .hero-card,
  .lab-layout,
  .section-grid-2,
  .section-grid-3,
  .board-grid,
  .docs-grid,
  .cta-grid,
  .lab-sidepanels {
    grid-template-columns: 1fr;
  }

  .hero-copy h1,
  .page-hero h1 {
    max-width: 11.5ch;
  }

  .site-nav {
    display: none;
  }
}

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

  .shell-header,
  .hero-card,
  .page-hero,
  .feature-card,
  .panel-card,
  .board-card,
  .docs-card,
  .control-card,
  .trace-card,
  .metric-card,
  .cta-card {
    padding: 20px;
  }

  .site-header {
    position: static;
    padding-top: 12px;
  }

  .shell-header {
    border-radius: 24px;
  }

  .hero-copy h1,
  .page-hero h1 {
    max-width: none;
    font-size: clamp(2.3rem, 10vw, 3.4rem);
  }

  .release-strip {
    grid-template-columns: 1fr;
  }

  .hero-actions,
  .board-actions,
  .control-actions,
  .lab-composer-actions {
    flex-direction: column;
    align-items: stretch;
  }
}