/* Nuuduu AI — site styles */

:root {
  --bg: #f3f0e8;
  --bg-elev: #faf8f3;
  --bg-muted: #e8e4d9;
  --ink: #1b1914;
  --ink-muted: #4f4a43;
  --line: #d6d0c4;
  --line-strong: #bdb6a8;
  --accent: #a33b1e;
  --accent-hover: #862f18;
  --accent-soft: #f3e4dc;
  --btn-primary: rgb(54, 125, 187);
  --btn-primary-hover: rgb(40, 104, 160);
  --dark: #171614;
  --dark-ink: #f3f0e8;
  --dark-muted: #a39e94;
  --dark-line: #2e2c28;
  --dark-elev: #211f1c;
  --focus: #1b1914;
  --danger: #8c2f1a;
  --radius: 10px;
  --radius-sm: 6px;
  --wrap: 70rem;
  --gutter: 1.5rem;
  --header-h: 4.25rem;
  --sans: "Lato", "Segoe UI", system-ui, sans-serif;
  --serif: "Lato", "Segoe UI", system-ui, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --shadow: 0 1px 0 rgba(27, 25, 20, 0.04), 0 12px 32px rgba(27, 25, 20, 0.06);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 0.75rem);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img,
svg {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
}

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

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

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

ul,
ol {
  margin: 0;
  padding: 0;
}

.wrap {
  width: min(var(--wrap), 100% - var(--gutter) * 2);
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 80;
  background: var(--ink);
  color: var(--bg);
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
}

.skip-link:focus {
  top: 1rem;
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(1.2) blur(12px);
  border-bottom: 1px solid transparent;
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

.logo img {
  height: 1.75rem;
  width: auto;
}

.nav-toggle {
  display: none;
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid var(--line);
  background: var(--bg-elev);
  border-radius: var(--radius-sm);
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

.nav-toggle-bars,
.nav-toggle-bars::before,
.nav-toggle-bars::after {
  display: block;
  width: 1rem;
  height: 1.5px;
  background: var(--ink);
  position: relative;
}

.nav-toggle-bars::before,
.nav-toggle-bars::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav-toggle-bars::before {
  top: -5px;
}

.nav-toggle-bars::after {
  top: 5px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 1.35rem;
}

.nav-link {
  text-decoration: none;
  color: var(--ink-muted);
  font-size: 0.95rem;
}

.nav-link:hover,
.nav-link[aria-current="page"] {
  color: var(--ink);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.6rem;
  padding: 0.45rem 1rem;
  border-radius: 999px;
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background: var(--btn-primary);
  color: #fff;
  border-color: var(--btn-primary);
}

.btn-primary:hover {
  background: var(--btn-primary-hover);
  border-color: var(--btn-primary-hover);
}

.btn-secondary {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-strong);
}

.btn-secondary:hover {
  background: var(--bg-elev);
}

.btn-ghost {
  background: transparent;
  color: var(--ink-muted);
  border-color: transparent;
}

.btn-ghost:hover {
  color: var(--ink);
}

.btn-on-dark {
  background: var(--dark-ink);
  color: var(--dark);
  border-color: var(--dark-ink);
}

.btn-on-dark:hover {
  background: #fff;
}

.btn-outline-on-dark {
  color: var(--dark-ink);
  border-color: var(--dark-line);
  background: transparent;
}

.btn-outline-on-dark:hover {
  border-color: var(--dark-ink);
}

.hero-actions,
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.75rem;
}

:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

.btn-primary:focus-visible {
  outline-color: var(--btn-primary);
}

.btn-atlas {
  background: #b61700;
  color: #fff;
  border-color: #b61700;
}

.btn-atlas:hover {
  background: #9b1400;
  border-color: #9b1400;
  color: #fff;
}

.btn-atlas:focus-visible {
  outline-color: #b61700;
}

.btn-on-dark:focus-visible {
  outline-color: var(--accent);
}

/* Hero */

.hero {
  padding: 4.5rem 0 2.5rem;
}

.partners {
  padding-top: 0.25rem;
}

.partner-strip-heading {
  margin: 0 0 2.5rem;
  text-align: center;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.partner-strip {
  padding: 2.5rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--bg-elev);
}

.page-home #concept {
  padding-top: 2.5rem;
}

.partner-strip .wrap {
  width: min(84rem, 100% - var(--gutter) * 2);
}

.partner-logos {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1.35rem 1.55rem;
  list-style: none;
}

.partner-logo {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  color: #5a6472;
  font-size: 1.02rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  text-decoration: none;
}

.partner-logo:hover,
.partner-logo:focus-visible {
  color: #3d4450;
}

.partner-logo:hover img,
.partner-logo:focus-visible img {
  filter: brightness(0.82);
}

.partner-logo img {
  display: block;
  width: 2.15rem;
  height: 2.15rem;
  object-fit: contain;
}

.partner-logo-lockup img {
  width: auto;
  height: 2.35rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: 3rem;
  align-items: center;
}

.eyebrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 0.85rem;
}

.hero h1,
.page-hero h1,
.cta-band h2,
.section-heading,
.not-found h1 {
  font-family: var(--serif);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.12;
}

.hero h1 {
  font-size: clamp(2.35rem, 5vw, 3.85rem);
}

.lede,
.hero-lede {
  margin-top: 1.15rem;
  color: var(--ink-muted);
  font-size: 1.12rem;
  max-width: 42rem;
}

.hero-lede {
  max-width: 38rem;
}

/* Recorder mockup */

.recorder {
  background: var(--dark);
  color: var(--dark-ink);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid #2a2824;
}

.recorder-chrome {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.7rem 0.9rem;
  border-bottom: 1px solid var(--dark-line);
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--dark-muted);
}

.rec-dot {
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: #c44b32;
  display: inline-block;
  margin-right: 0.4rem;
}

.recorder-body {
  display: grid;
  grid-template-columns: 1.4fr 0.9fr;
}

.ego-frame {
  position: relative;
  min-height: 220px;
  background: #1a1814;
  overflow: hidden;
}

.ego-frame img {
  width: 100%;
  height: 100%;
  min-height: 220px;
  object-fit: cover;
  object-position: center;
}

.ego-overlay {
  position: absolute;
  left: 0.7rem;
  bottom: 0.7rem;
  font-family: var(--mono);
  font-size: 0.65rem;
  color: rgba(243, 240, 232, 0.85);
  background: rgba(23, 22, 20, 0.45);
  padding: 0.25rem 0.45rem;
  border-radius: 4px;
}

.recorder-side {
  border-left: 1px solid var(--dark-line);
  padding: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  background: var(--dark-elev);
}

.meta-block h3,
.pose-block h3,
.recorder-streams h3 {
  font-family: var(--mono);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--dark-muted);
  margin-bottom: 0.45rem;
}

.meta-list {
  list-style: none;
  font-family: var(--mono);
  font-size: 0.72rem;
  line-height: 1.55;
}

.meta-list span {
  color: var(--dark-muted);
}

.pose-gizmo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.pose-values {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--dark-muted);
  line-height: 1.5;
}

.recorder-bottom {
  border-top: 1px solid var(--dark-line);
  padding: 0.75rem 0.9rem 0.9rem;
}

.timeline {
  height: 1.35rem;
  background: #2a2723;
  border-radius: 3px;
  position: relative;
  overflow: hidden;
  margin-bottom: 0.65rem;
}

.ep {
  position: absolute;
  top: 0;
  bottom: 0;
  background: color-mix(in srgb, var(--accent) 70%, #3a2a22);
}

.playhead {
  position: absolute;
  top: -2px;
  bottom: -2px;
  width: 1.5px;
  background: #f3f0e8;
}

.imu-plot {
  width: 100%;
  height: 42px;
  color: #c9b49a;
}

.recorder-streams {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.65rem;
}

.topic {
  font-family: var(--mono);
  font-size: 0.65rem;
  color: var(--dark-muted);
  border: 1px solid var(--dark-line);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
}

.recorder-caption {
  margin-top: 0.75rem;
  font-size: 0.8rem;
  color: var(--ink-muted);
}

/* Sections */

.section {
  padding: 5rem 0;
}

.section-kicker {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 0.6rem;
}

.section-heading,
.page-hero h1,
.not-found h1 {
  font-size: clamp(1.85rem, 3.4vw, 2.7rem);
  max-width: 22ch;
}

.section-tight {
  padding-top: 0;
}

.section-intro {
  margin-top: 1rem;
  max-width: 40rem;
  color: var(--ink-muted);
}

.section-intro p + p {
  margin-top: 0.85rem;
}

.grid-3,
.grid-4 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 2.25rem;
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

.card {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.35rem 1.4rem 1.5rem;
}

.compare-card-highlight {
  background: var(--dark);
  color: var(--dark-ink);
  border-color: var(--dark);
}

.compare-card-highlight p {
  color: var(--dark-muted);
}

.card h3,
.stream h3,
.quality-card h3,
.network-item h3 {
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 0.45rem;
}

.card p,
.stream p,
.quality-card p,
.network-item p {
  color: var(--ink-muted);
  font-size: 0.98rem;
}

/* Streams */

.streams {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.85rem;
  margin-top: 2.25rem;
}

.stream {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.15rem 1.15rem 1.25rem;
  background: color-mix(in srgb, var(--bg-elev) 70%, transparent);
}

.stream-id {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--accent);
  margin-bottom: 0.55rem;
}

.note {
  margin-top: 1.5rem;
  font-size: 0.95rem;
  color: var(--ink);
  padding-left: 0.85rem;
  border-left: 2px solid var(--accent);
}

/* Product split */

.split-products {
  display: grid;
  grid-template-columns: 1fr 1.12fr;
  gap: 1rem;
  margin-top: 2.25rem;
}

.product-panel {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1.75rem 1.7rem 1.85rem;
  background: var(--bg-elev);
  display: flex;
  flex-direction: column;
  min-height: 22rem;
}

.product-panel-emphasis {
  background: var(--dark);
  color: var(--dark-ink);
  border-color: var(--dark);
}

.product-panel-emphasis .eyebrow,
.product-panel-emphasis p {
  color: var(--dark-muted);
}

.product-panel h3 {
  font-family: var(--serif);
  font-size: 1.85rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin: 0.35rem 0 0.85rem;
}

.product-panel .btn {
  margin-top: auto;
  align-self: flex-start;
}

/* Domains */

.domain-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.65rem;
  margin-top: 2.25rem;
}

.domain {
  border: 1px solid var(--line);
  background: var(--bg-elev);
  border-radius: var(--radius-sm);
  padding: 1.1rem 1rem;
  min-height: 6.5rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 0.7rem;
}

.domain svg {
  width: 1.25rem;
  height: 1.25rem;
  stroke: var(--ink);
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.domain span {
  font-weight: 500;
  letter-spacing: -0.02em;
}

/* Pipeline */

.pipeline {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0;
  margin-top: 2.25rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-elev);
}

.step {
  padding: 1.2rem 1rem 1.3rem;
  border-right: 1px solid var(--line);
  min-height: 8.5rem;
}

.step:last-child {
  border-right: 0;
}

.step-num {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--accent);
  display: block;
  margin-bottom: 0.85rem;
}

.step strong {
  display: block;
  font-size: 0.98rem;
  letter-spacing: -0.02em;
}

.episode-lead {
  margin-top: 1.75rem;
}

.episode-list {
  margin-top: 1.75rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.45rem 2rem;
  list-style: none;
}

.episode-list li {
  position: relative;
  padding-left: 0.9rem;
  color: var(--ink-muted);
  font-size: 0.98rem;
}

.episode-list li::before {
  content: "";
  width: 0.35rem;
  height: 0.35rem;
  background: var(--accent);
  border-radius: 1px;
  position: absolute;
  left: 0;
  top: 0.55rem;
}

/* Quality */

.quality-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-top: 2.25rem;
}

.quality-card {
  padding-top: 1.2rem;
  border-top: 1px solid var(--line);
}

/* Dark technical band */

.band-dark {
  background: var(--dark);
  color: var(--dark-ink);
}

.band-dark .section-kicker,
.band-dark .section-intro,
.band-dark .code-caption {
  color: var(--dark-muted);
}

.formats-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 3rem;
  align-items: start;
}

.format-name {
  font-family: var(--mono);
  font-size: 2.4rem;
  letter-spacing: -0.04em;
  margin: 0.4rem 0 0.5rem;
}

.format-block + .format-block {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--dark-line);
}

.format-list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.4rem 1.25rem;
  margin-top: 0.85rem;
  color: var(--dark-muted);
}

.code-panel {
  margin: 0;
  background: var(--dark-elev);
  border: 1px solid var(--dark-line);
  border-radius: var(--radius);
  padding: 1.2rem 1.3rem;
  font-family: var(--mono);
  font-size: 0.85rem;
  line-height: 1.8;
  white-space: pre-wrap;
}

.code-panel .cm {
  color: #7d776c;
}

.code-panel .tok {
  color: #e4c7a8;
}

.code-caption {
  margin-top: 0.75rem;
  font-size: 0.82rem;
}

/* Closed loop */

.loop-banner {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 0;
  margin: 1.75rem 0 0;
  padding: 0.9rem 1.1rem;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink);
}

.loop-banner span {
  display: inline-flex;
  align-items: center;
}

.loop-banner span:not(:last-child)::after {
  content: "→";
  margin: 0 0.65rem;
  color: var(--accent);
  letter-spacing: 0;
}

.loop-steps {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 2rem;
}

.loop-steps li {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem 1.3rem 1.4rem;
}

.loop-num {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--accent);
  display: block;
  margin-bottom: 0.7rem;
}

.loop-steps h3 {
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 0.45rem;
}

.loop-steps p {
  color: var(--ink-muted);
  font-size: 0.95rem;
}

.point-grid {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem 1.5rem;
  margin-top: 2.25rem;
}

.point-grid li {
  position: relative;
  padding: 0.95rem 1rem 0.95rem 1.15rem;
  border: 1px solid var(--line);
  background: var(--bg-elev);
  border-radius: var(--radius-sm);
  border-left: 2px solid var(--accent);
  font-size: 0.98rem;
}

/* Atlas library mockup */

.concept-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 3rem;
  align-items: center;
}

.concept-photo {
  margin: 0;
}

.concept-photo img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.concept-photo figcaption {
  margin-top: 0.75rem;
  font-size: 0.8rem;
  color: var(--ink-muted);
}

.atlas-layout,
.together-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 3rem;
  align-items: start;
}

.atlas-line {
  margin-top: 1.5rem;
  font-family: var(--mono);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--dark-ink);
}

.atlas-console {
  background: var(--dark-elev);
  color: var(--dark-ink);
  border: 1px solid var(--dark-line);
  border-radius: 12px;
  overflow: hidden;
}

.atlas-chrome,
.atlas-search {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  padding: 0.7rem 0.9rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--dark-muted);
  border-bottom: 1px solid var(--dark-line);
}

.atlas-search {
  background: #1a1816;
}

.atlas-query {
  color: var(--dark-ink);
}

.atlas-body {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
}

.atlas-results {
  display: flex;
  flex-direction: column;
}

.atlas-row {
  display: grid;
  gap: 0.15rem;
  padding: 0.8rem 0.9rem;
  border-bottom: 1px solid var(--dark-line);
}

.atlas-row:last-child {
  border-bottom: 0;
}

.atlas-row.is-active {
  background: color-mix(in srgb, var(--accent) 18%, var(--dark-elev));
}

.atlas-id {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--dark-muted);
}

.atlas-row strong {
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.atlas-row span:last-child {
  font-size: 0.75rem;
  color: var(--dark-muted);
}

.atlas-detail {
  border-left: 1px solid var(--dark-line);
  padding: 0.85rem 0.9rem 1rem;
  background: #1a1816;
}

.atlas-detail h3 {
  font-family: var(--mono);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--dark-muted);
  margin-bottom: 0.55rem;
}

.band-dark .atlas-detail .meta-list {
  color: var(--dark-ink);
}

.atlas-detail .meta-list li {
  display: grid;
  grid-template-columns: 6.2rem minmax(0, 1fr);
  gap: 0.35rem;
}

/* Failure-to-dataset flow */

.failure-flow {
  list-style: none;
  display: grid;
  gap: 0;
}

.failure-flow li {
  position: relative;
  padding: 1.05rem 1.2rem 1.15rem;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.failure-flow li + li {
  margin-top: 1.15rem;
}

.failure-flow li:not(:last-child)::after {
  content: "↓";
  position: absolute;
  left: 50%;
  bottom: -1.05rem;
  transform: translateX(-50%);
  color: var(--accent);
  font-size: 0.95rem;
  line-height: 1;
}

.failure-label {
  display: block;
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.35rem;
}

.failure-flow p {
  font-size: 0.98rem;
}

/* Network */

.network-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 2.5rem;
}

.network-item {
  padding-right: 1rem;
}

.network-index {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--accent);
  display: block;
  margin-bottom: 0.65rem;
}

/* CTA + form */

.cta-band {
  background: var(--bg-muted);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.cta-band h2 {
  font-size: clamp(2.1rem, 4vw, 3.2rem);
  max-width: 22ch;
}

.contact {
  padding-bottom: 6rem;
}

.form-layout {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 3rem;
  align-items: start;
}

.form-card {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1.5rem;
}

.field {
  margin-bottom: 0.95rem;
}

.field label {
  display: block;
  font-size: 0.88rem;
  font-weight: 500;
  margin-bottom: 0.35rem;
}

.field input,
.field textarea,
.field select {
  width: 100%;
  border: 1px solid var(--line-strong);
  background: #fff;
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.7rem;
  color: var(--ink);
}

.field textarea {
  min-height: 6.5rem;
  resize: vertical;
}

.interest {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.45rem;
  margin-bottom: 1.1rem;
  border: 0;
  padding: 0;
}

.interest-legend {
  font-size: 0.88rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  grid-column: 1 / -1;
}

.interest label:has(input:checked) {
  border-color: var(--ink);
}

.interest input {
  accent-color: var(--accent);
  margin-top: 0.15rem;
}

.interest label {
  display: flex;
  gap: 0.45rem;
  align-items: flex-start;
  font-size: 0.9rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 0.55rem 0.65rem;
  background: #fff;
  cursor: pointer;
}

.form-status {
  margin-top: 0.85rem;
  font-size: 0.92rem;
}

.form-status[data-state="success"] {
  color: #2c5a3c;
}

.form-status[data-state="error"] {
  color: var(--danger);
}

.form-note {
  margin-top: 0.75rem;
  font-size: 0.8rem;
  color: var(--ink-muted);
}

/* Inner pages */

.page-hero {
  padding: 3.5rem 0 1.5rem;
}

.page-hero p {
  margin-top: 1rem;
  color: var(--ink-muted);
  max-width: 42rem;
}

.prose {
  max-width: 42rem;
}

.prose p + p,
.prose h2 {
  margin-top: 1.1rem;
}

.prose h2 {
  font-family: var(--serif);
  font-size: 1.6rem;
  font-weight: 700;
}

.prose .btn {
  margin-top: 1.25rem;
}

.workflow {
  counter-reset: step;
  list-style: none;
  margin-top: 2rem;
  display: grid;
  gap: 0.75rem;
}

.workflow li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: 0.9rem;
  padding: 1.1rem 1.2rem;
  border: 1px solid var(--line);
  background: var(--bg-elev);
  border-radius: var(--radius);
}

.workflow h2 {
  font-family: var(--sans);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 0.3rem;
}

.workflow p {
  color: var(--ink-muted);
  font-size: 0.98rem;
}

.workflow li::before {
  content: counter(step);
  font-family: var(--mono);
  color: var(--accent);
  font-size: 0.85rem;
  padding-top: 0.15rem;
}

.spec-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.65rem;
  margin-top: 1.5rem;
}

.spec {
  border: 1px solid var(--line);
  padding: 0.9rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
}

.dataset-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.dataset-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-elev);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.dataset-visual {
  height: 8.5rem;
  background:
    repeating-linear-gradient(
      -45deg,
      var(--bg-muted),
      var(--bg-muted) 8px,
      color-mix(in srgb, var(--bg-muted) 70%, #cfc8b8) 8px,
      color-mix(in srgb, var(--bg-muted) 70%, #cfc8b8) 16px
    );
  display: flex;
  align-items: flex-end;
  padding: 0.7rem 0.85rem;
}

.placeholder-tag {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: rgba(27, 25, 20, 0.82);
  color: var(--bg);
  padding: 0.2rem 0.4rem;
  border-radius: 3px;
}

.dataset-body {
  padding: 1.1rem 1.15rem 1.25rem;
}

.dataset-body h3 {
  font-size: 1.05rem;
  margin-bottom: 0.35rem;
}

.dataset-meta {
  list-style: none;
  margin-top: 0.85rem;
  font-size: 0.85rem;
  color: var(--ink-muted);
}

.dataset-meta li {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.28rem 0;
  border-top: 1px solid var(--line);
}

.dataset-meta span:last-child {
  color: var(--ink);
  text-align: right;
}

.tech-sections {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
}

.tech-section {
  display: grid;
  grid-template-columns: 14rem 1fr;
  gap: 1.5rem;
  padding: 1.4rem 0;
  border-top: 1px solid var(--line);
}

.tech-section h2 {
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.tech-section p {
  color: var(--ink-muted);
}

.not-found {
  padding: 6rem 0 8rem;
}

/* Footer */

.site-footer {
  background: var(--dark);
  color: var(--dark-ink);
  padding: 3rem 0 1.5rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--dark-line);
}

.footer-tagline {
  margin-top: 0.75rem;
  color: var(--dark-muted);
  max-width: 22rem;
}

.footer-brand .logo img {
  height: 1.9rem;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.25rem;
  align-content: flex-start;
}

.footer-nav a {
  color: var(--dark-muted);
  text-decoration: none;
  font-size: 0.92rem;
}

.footer-nav a:hover {
  color: var(--dark-ink);
}

.footer-legal {
  padding-top: 1.1rem;
  color: var(--dark-muted);
  font-size: 0.85rem;
}

/* Responsive */

@media (max-width: 980px) {
  .hero-grid,
  .form-layout,
  .formats-layout,
  .split-products,
  .tech-section,
  .atlas-layout,
  .together-layout,
  .concept-layout {
    grid-template-columns: 1fr;
  }

  .streams,
  .quality-grid,
  .dataset-grid,
  .loop-steps,
  .grid-4 {
    grid-template-columns: 1fr 1fr;
  }

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

  .step {
    border-bottom: 1px solid var(--line);
  }

  .step:nth-child(3n) {
    border-right: 0;
  }

  .step:nth-last-child(-n+3) {
    border-bottom: 0;
  }

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

  .nav-actions .btn-ghost {
    display: none;
  }
}

@media (max-width: 760px) {
  :root {
    --gutter: 1.15rem;
    --header-h: 3.75rem;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--bg-elev);
    border-bottom: 1px solid var(--line);
    padding: 1rem var(--gutter) 1.2rem;
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
  }

  .site-nav.is-open {
    display: flex;
    z-index: 40;
  }

  body.nav-open {
    overflow: hidden;
  }

  .nav-links {
    flex-direction: column;
    gap: 0.65rem;
  }

  .nav-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .nav-actions .btn-ghost {
    display: inline-flex;
  }

  .hero {
    padding-top: 2.5rem;
  }

  .partner-strip-heading {
    margin-bottom: 2rem;
  }

  .partner-strip {
    padding: 2rem 0;
  }

  .page-home #concept {
    padding-top: 2rem;
  }

  .partner-logos {
    gap: 1.15rem 1.75rem;
  }

  .partner-logo {
    font-size: 1rem;
  }

  .partner-logo img {
    width: 1.85rem;
    height: 1.85rem;
  }

  .partner-logo-lockup img {
    width: auto;
    height: 2rem;
  }

  .section {
    padding: 3.25rem 0;
  }

  .grid-3,
  .grid-4,
  .streams,
  .quality-grid,
  .network-grid,
  .dataset-grid,
  .spec-grid,
  .domain-grid,
  .episode-list,
  .loop-steps,
  .point-grid {
    grid-template-columns: 1fr;
  }

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

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

  .step {
    border-right: 0;
    min-height: 0;
    border-bottom: 1px solid var(--line);
  }

  .step:nth-last-child(-n+3),
  .step:last-child {
    border-bottom: 1px solid var(--line);
  }

  .step:last-child {
    border-bottom: 0;
  }

  .recorder-body,
  .atlas-body {
    grid-template-columns: 1fr;
  }

  .recorder-side,
  .atlas-detail {
    border-left: 0;
    border-top: 1px solid var(--dark-line);
  }

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

  .footer-inner {
    flex-direction: column;
  }

  .product-panel {
    min-height: 0;
  }
}

@media (max-width: 520px) {
  .hero-actions .btn,
  .cta-actions .btn {
    width: 100%;
  }
}