/* Hallmark · genre: playful-product-editorial · tone: assured, tactile, evidence-led
 * macrostructure: Centered Marquee + Embedded Studio · theme: studied-DNA (source: https://www.butter.video/)
 * components: split floating pill nav · centered object/claim · dark editor surface · four-step flow · index footer
 * pre-emit critique: P5 H5 E5 S5 R5 V5 · contrast: pass (40–41) · nav: N5 · footer: Ft4 · slop: pass (42–45)
 * honest: pass (46) · chrome: pass (47) · tokens: pass (48) · responsive: pass (49) · icons: pass (30) · mobile: pass (34, 49, 50–57)
 */

* {
  box-sizing: border-box;
}

html,
body {
  min-width: 20rem;
  min-height: 100%;
  margin: 0;
  overflow-x: clip;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100dvh;
  background: var(--color-page);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.55;
}

body[data-modal-open="true"] {
  overflow: hidden;
}

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

button,
a,
input,
textarea,
select,
summary {
  -webkit-tap-highlight-color: transparent;
}

button,
a {
  white-space: nowrap;
}

button {
  border: 0;
}

a {
  color: inherit;
}

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

[hidden] {
  display: none !important;
}

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

::selection {
  background: var(--color-accent);
  color: var(--color-accent-ink);
}

.skip-link {
  position: fixed;
  inset: var(--space-sm) auto auto var(--space-sm);
  z-index: var(--z-tooltip);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-pill);
  background: var(--color-ink);
  color: var(--color-paper);
  text-decoration: none;
  transform: translateY(-180%);
}

.skip-link:focus-visible {
  transform: translateY(0);
}

.site-header {
  position: absolute;
  inset: var(--space-md) 0 auto;
  z-index: var(--z-sticky-nav);
  padding-inline: var(--page-gutter);
}

.nav-shell {
  display: flex;
  width: min(100%, var(--content-max));
  min-height: var(--nav-height);
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  margin-inline: auto;
  padding: var(--space-xs) var(--space-sm) var(--space-xs) var(--space-md);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-nav);
  background: var(--color-float);
  box-shadow: var(--shadow-float);
  backdrop-filter: blur(1rem);
}

.nav-primary,
.nav-actions {
  display: flex;
  min-width: 0;
  align-items: center;
}

.nav-primary {
  flex: 1 1 auto;
}

.nav-actions {
  flex: 0 0 auto;
  gap: var(--space-2xs);
}

.brand {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1;
  text-decoration: none;
}

.brand__spark {
  position: relative;
  width: 1.5rem;
  height: 1.5rem;
  transform: rotate(45deg);
}

.brand__spark::before,
.brand__spark::after {
  position: absolute;
  inset: 0;
  margin: auto;
  background: var(--color-ink);
  content: "";
}

.brand__spark::before {
  width: 0.45rem;
  height: 1.5rem;
  border-radius: var(--radius-pill);
}

.brand__spark::after {
  width: 1.5rem;
  height: 0.45rem;
  border-radius: var(--radius-pill);
}

.desktop-nav,
.nav-secondary,
.nav-cta {
  display: none;
}

.mobile-settings {
  display: inline-flex;
  width: 2.75rem;
  min-height: 2.75rem;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-pill);
  background: var(--color-ink);
  color: var(--color-paper);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1;
  text-decoration: none;
}

.hero {
  position: relative;
  display: grid;
  justify-items: center;
  min-height: 100dvh;
  padding: calc(var(--nav-height) + var(--space-2xl)) var(--page-gutter) var(--space-5xl);
  overflow: clip;
}

.hero::before,
.hero::after {
  display: none;
}

.hero-visual {
  position: relative;
  z-index: var(--z-raised);
  display: grid;
  width: min(100%, 34rem);
  min-height: clamp(14rem, 52vw, 21rem);
  place-items: center;
  margin: 0;
}

.hero-visual img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  clip-path: ellipse(48% 40% at 50% 50%);
  filter: saturate(0.82) contrast(1.12);
  mix-blend-mode: multiply;
}

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

.hero-copy {
  position: relative;
  z-index: var(--z-raised);
  width: min(100%, var(--content-max));
  margin-block-start: var(--space-md);
  text-align: center;
}

.kicker,
.section-label,
.demo-topline,
.runtime-chip,
.cached-topics > span,
.stage > span,
.stage__state,
.result-count,
.modal-header span,
.empty-proof span {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.065em;
  line-height: 1;
}

.kicker {
  margin: 0;
}

.hero h1 {
  max-width: 9ch;
  min-width: 0;
  margin: var(--space-md) auto 0;
  overflow-wrap: anywhere;
  font-family: var(--font-display);
  font-size: clamp(3.2rem, 13vw, 7.2rem);
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 0.99;
}

.hero-lede {
  max-width: 48ch;
  margin: var(--space-lg) auto 0;
  color: var(--color-ink-2);
  font-size: clamp(1.05rem, 2.2vw, 1.45rem);
  line-height: 1.45;
}

.hero-cta {
  display: inline-flex;
  min-height: 3.25rem;
  align-items: center;
  justify-content: center;
  margin-block-start: var(--space-lg);
  padding-inline: var(--space-xl);
  border-radius: var(--radius-pill);
  background: var(--color-ink);
  color: var(--color-paper);
  font-size: var(--text-sm);
  font-weight: 700;
  text-decoration: none;
  transition: background-color var(--dur-short) var(--ease-out), color var(--dur-short) var(--ease-out), transform var(--dur-micro) var(--ease-out);
}

.hero-cta:active {
  transform: translateY(1px);
}

.analysis-studio {
  position: relative;
  z-index: var(--z-raised);
  width: min(100%, 74rem);
  margin-block-start: var(--space-3xl);
  padding: var(--space-lg);
  border: 1px solid var(--color-ink-2);
  border-radius: var(--radius-lg);
  background: var(--color-ink-2);
  color: var(--color-paper);
  box-shadow: var(--shadow-studio);
}

.studio-heading,
.pipeline-head,
.results-heading,
.modal-header,
.modal-actions,
.source-tools,
.cached-topics,
.demo-topline {
  display: flex;
  align-items: center;
}

.studio-heading {
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-md);
}

.section-label {
  display: block;
  margin: 0;
  color: var(--color-muted);
}

.studio-heading h2 {
  margin: var(--space-xs) 0 0;
  font-family: var(--font-display);
  color: var(--color-paper);
  font-size: var(--text-xl);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.runtime-chip {
  display: inline-flex;
  min-height: 2.25rem;
  align-items: center;
  gap: var(--space-xs);
  padding-inline: var(--space-sm);
  border: 1px solid var(--color-rule-dark);
  border-radius: var(--radius-sm);
  color: var(--color-paper-3);
}

.analysis-studio .section-label,
.analysis-studio .cached-topics > span {
  color: var(--color-paper-3);
}

.analysis-studio .source-field label,
.analysis-studio .field label,
.analysis-studio .remake-options summary {
  color: var(--color-paper);
}

.analysis-studio .source-field input,
.analysis-studio .field input,
.analysis-studio .field textarea {
  border-color: var(--color-paper);
  background: var(--color-paper);
  color: var(--color-ink);
}

.analysis-studio .refresh-link {
  border-color: var(--color-rule-dark);
  color: var(--color-paper-3);
}

.analysis-studio .cached-topics {
  border-color: var(--color-rule-dark);
}

.analysis-studio .keyword-item {
  border-color: var(--color-rule-dark);
  background: var(--color-ink);
  color: var(--color-paper-3);
}

.analysis-studio .btn-primary {
  background: var(--color-paper);
  color: var(--color-ink);
}

.runtime-chip i {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--color-success);
}

.runtime-chip[data-state="checking"] i,
.runtime-chip[data-state="warning"] i {
  background: var(--color-warning);
}

.runtime-chip[data-state="offline"] i {
  background: var(--color-error);
}

.source-row {
  display: grid;
  gap: var(--space-sm);
  margin-block-start: var(--space-lg);
}

.source-field,
.field {
  display: grid;
  min-width: 0;
  gap: var(--space-xs);
}

.source-field label,
.field label {
  color: var(--color-ink-2);
  font-size: var(--text-sm);
  font-weight: 600;
}

.source-field input,
.field input,
.field textarea,
.settings-field input,
.settings-field textarea,
.settings-field select {
  width: 100%;
  min-height: var(--control-height);
  padding-inline: var(--space-md);
  border: 1px solid var(--color-rule-strong);
  border-radius: var(--radius-sm);
  outline: 2px solid transparent;
  outline-offset: 1px;
  background: var(--color-paper);
  color: var(--color-ink);
  transition: background-color var(--dur-short) var(--ease-out), border-color var(--dur-short) var(--ease-out);
}

.field textarea,
.settings-field textarea {
  min-height: 7rem;
  padding-block: var(--space-sm);
  resize: vertical;
}

.source-field input::placeholder,
.field input::placeholder,
.field textarea::placeholder,
.settings-field input::placeholder,
.settings-field textarea::placeholder {
  color: var(--color-muted);
  opacity: 1;
}

.source-field input:focus-visible,
.field input:focus-visible,
.field textarea:focus-visible,
.settings-field input:focus-visible,
.settings-field textarea:focus-visible,
.settings-field select:focus-visible {
  border-color: var(--color-focus);
  outline-color: var(--color-focus);
}

.btn,
.refresh-link,
.empty-action,
.analysis-btn,
.export-btn,
.project-link,
.modal-close,
.keyword-item {
  display: inline-flex;
  min-height: var(--control-height);
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
  transition: background-color var(--dur-short) var(--ease-out), color var(--dur-short) var(--ease-out), border-color var(--dur-short) var(--ease-out), transform var(--dur-micro) var(--ease-out);
}

.btn:active,
.refresh-link:active,
.empty-action:active,
.analysis-btn:active,
.export-btn:active,
.project-link:active,
.modal-close:active,
.keyword-item:active {
  transform: translateY(1px);
}

.btn:disabled,
.refresh-link:disabled,
.analysis-btn:disabled,
.export-btn:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.btn-primary,
.empty-action {
  padding-inline: var(--space-xl);
  background: var(--color-ink);
  color: var(--color-paper);
  border-radius: var(--radius-pill);
}

.source-tools {
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-sm);
  margin-block-start: var(--space-md);
}

.remake-options {
  flex: 1 1 20rem;
}

.remake-options summary {
  min-height: 2.75rem;
  padding-block: var(--space-sm);
  color: var(--color-ink-2);
  cursor: pointer;
  font-size: var(--text-sm);
  font-weight: 600;
  list-style-position: inside;
}

.remake-options[open] summary {
  color: var(--color-ink);
}

.remake-grid {
  display: grid;
  gap: var(--space-md);
  margin-block-start: var(--space-sm);
}

.refresh-link {
  min-height: 2.75rem;
  padding-inline: var(--space-md);
  border: 1px solid var(--color-rule);
  background: transparent;
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.cached-topics {
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-block-start: var(--space-lg);
  padding-block-start: var(--space-md);
  border-block-start: 1px solid var(--color-rule);
}

.cached-topics > span {
  color: var(--color-muted);
}

.keyword-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.keyword-item {
  min-height: 2.25rem;
  padding-inline: var(--space-sm);
  border: 1px solid var(--color-rule);
  background: var(--color-paper-2);
  color: var(--color-ink-2);
  font-size: var(--text-xs);
}

.field-help {
  color: var(--color-muted);
  font-size: var(--text-xs);
}

.pipeline-panel {
  margin-block-start: var(--space-lg);
  padding: var(--space-md);
  border: 1px solid var(--color-rule-dark);
  border-radius: var(--radius-md);
  background: var(--color-ink);
  color: var(--color-paper);
}

.pipeline-head {
  justify-content: space-between;
  gap: var(--space-md);
}

.pipeline-head h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--text-base);
}

.pipeline-head span {
  color: var(--color-paper-3);
  font-size: var(--text-xs);
  text-align: end;
}

.progress-track {
  height: 0.25rem;
  margin-block-start: var(--space-md);
  overflow: hidden;
  border-radius: var(--radius-pill);
  background: var(--color-ink-2);
}

.progress-bar {
  width: 100%;
  height: 100%;
  border-radius: inherit;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left center;
}

.pipeline-stages {
  display: grid;
  gap: var(--space-xs);
  margin-block-start: var(--space-md);
}

.stage {
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-sm);
  min-width: 0;
  padding-block: var(--space-sm);
  border-block-start: 1px solid var(--color-ink-2);
  color: var(--color-paper-3);
}

.stage strong {
  min-width: 0;
  color: var(--color-paper);
  font-size: var(--text-sm);
}

.stage[data-state="active"] > span,
.stage[data-state="active"] .stage__state {
  color: var(--color-accent);
}

.stage[data-state="complete"] .stage__state {
  color: var(--color-accent);
}

.loading,
.error {
  margin-block-start: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  background: var(--color-ink-2);
  color: var(--color-paper);
  font-size: var(--text-sm);
}

.error {
  border: 1px solid var(--color-error);
}

.signal-strip {
  overflow: hidden;
  border-block: 1px solid var(--color-ink-2);
  background: var(--color-ink);
  color: var(--color-paper);
}

.signal-strip__track {
  display: flex;
  width: max-content;
  min-height: 3rem;
  align-items: center;
  gap: var(--space-lg);
  padding-inline: var(--space-lg);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.045em;
  line-height: 1;
}

.signal-strip__track i {
  display: block;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--color-accent);
}

.story-section {
  width: min(100%, var(--content-max));
  margin-inline: auto;
  padding: var(--space-4xl) var(--page-gutter);
}

.manifesto {
  text-align: center;
}

.manifesto h2,
.stage-intro h2,
.workflow h2,
.results-heading h2 {
  min-width: 0;
  margin: var(--space-md) 0 0;
  overflow-wrap: anywhere;
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: -0.04em;
  line-height: 1;
}

.manifesto h2 {
  max-width: 15ch;
  margin-inline: auto;
  font-size: clamp(3rem, 6vw, 5.5rem);
}

.manifesto > p:last-child {
  max-width: 60ch;
  margin: var(--space-xl) auto 0;
  color: var(--color-muted);
  font-size: clamp(1.05rem, 2vw, 1.35rem);
}

.evidence-stage {
  display: grid;
  gap: var(--space-2xl);
}

.stage-intro h2,
.workflow h2 {
  font-size: clamp(2.8rem, 5vw, 4.8rem);
}

.evidence-demo {
  min-width: 0;
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  background: var(--color-ink);
  color: var(--color-paper);
  box-shadow: none;
}

.demo-topline {
  justify-content: space-between;
  gap: var(--space-md);
  color: var(--color-paper-3);
}

.frame-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-xs);
  margin-block-start: var(--space-lg);
}

.frame {
  position: relative;
  display: grid;
  min-height: 8rem;
  place-items: end start;
  padding: var(--space-sm);
  overflow: hidden;
  border-radius: var(--radius-sm);
  color: var(--color-ink);
}

.frame::before,
.frame::after {
  position: absolute;
  content: "";
}

.frame::before {
  inset: 18% 14%;
  border: 2px solid currentColor;
  border-radius: 50%;
}

.frame::after {
  inset: 42% auto auto 46%;
  width: 0;
  height: 0;
  border-block: 0.55rem solid transparent;
  border-inline-start: 0.85rem solid currentColor;
}

.frame span {
  position: relative;
  z-index: var(--z-raised);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
}

.frame--lime {
  background: var(--color-accent);
}

.frame--ink {
  border: 1px solid var(--color-ink-2);
  background: var(--color-ink-2);
  color: var(--color-paper);
}

.frame--coral {
  background: var(--color-coral);
  color: var(--color-coral-ink);
}

.frame--cream {
  background: var(--color-yellow);
}

.waveform {
  display: flex;
  min-height: 5rem;
  align-items: center;
  gap: var(--space-2xs);
  margin-block-start: var(--space-lg);
  padding-inline: var(--space-xs);
  overflow: hidden;
}

.waveform i {
  display: block;
  width: 100%;
  height: 18%;
  min-height: 0.25rem;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  transform-origin: center;
}

.waveform i:nth-child(2n) { height: 62%; }
.waveform i:nth-child(3n) { height: 36%; }
.waveform i:nth-child(4n) { height: 84%; }
.waveform i:nth-child(5n) { height: 48%; }

.evidence-notes,
.workflow-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.evidence-notes {
  display: grid;
  margin-block-start: var(--space-md);
}

.evidence-notes li {
  display: grid;
  grid-template-columns: 3.5rem minmax(0, 1fr);
  gap: var(--space-xs) var(--space-md);
  padding-block: var(--space-md);
  border-block-start: 1px solid var(--color-ink-2);
}

.evidence-notes span {
  grid-row: span 2;
  color: var(--color-accent);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
}

.evidence-notes strong {
  font-size: var(--text-sm);
}

.evidence-notes p {
  max-width: 60ch;
  margin: 0;
  color: var(--color-paper-3);
  font-size: var(--text-sm);
}

.workflow {
  display: grid;
  gap: var(--space-2xl);
}

.workflow-list {
  display: grid;
}

.workflow-list article {
  display: grid;
  grid-template-columns: 2.5rem minmax(0, 1fr);
  gap: var(--space-xs) var(--space-md);
  padding-block: var(--space-lg);
  border-block-start: 1px solid var(--color-rule-strong);
}

.workflow-list span {
  grid-row: span 2;
  color: var(--color-accent);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
}

.workflow-list h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  letter-spacing: -0.02em;
}

.workflow-list p {
  max-width: 55ch;
  margin: 0;
  color: var(--color-muted);
}

.results-zone {
  padding-block-end: var(--space-4xl);
}

.results-heading {
  justify-content: space-between;
  gap: var(--space-md);
}

.results-heading h2 {
  font-size: clamp(2.5rem, 6vw, 4.9rem);
}

.result-count {
  color: var(--color-muted);
}

.results-list {
  display: grid;
  gap: var(--space-md);
  margin-block-start: var(--space-xl);
}

.empty-state {
  display: grid;
  gap: var(--space-xl);
  padding: var(--space-xl);
  border: 1px solid var(--color-rule-strong);
  border-radius: var(--radius-lg);
  background: var(--color-paper-2);
}

.empty-state h3 {
  max-width: 18ch;
  margin: 0;
  overflow-wrap: anywhere;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.08;
}

.empty-state p {
  max-width: 58ch;
  margin: var(--space-md) 0 0;
  color: var(--color-muted);
}

.empty-action {
  width: fit-content;
  margin-block-start: var(--space-lg);
  padding-inline: var(--space-lg);
  background: var(--color-accent);
  color: var(--color-accent-ink);
}

.empty-proof {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-content: end;
  gap: var(--space-sm) var(--space-md);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  background: var(--color-paper);
}

.empty-proof span {
  color: var(--color-muted);
}

.empty-proof strong {
  font-size: var(--text-sm);
  text-align: end;
}

.video-card {
  padding: var(--space-lg);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-md);
  background: var(--color-paper);
}

.video-title {
  width: 100%;
  padding: 0;
  background: transparent;
  color: var(--color-ink);
  cursor: pointer;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  line-height: 1.2;
  text-align: start;
  white-space: normal;
}

.video-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-sm);
  margin-block: var(--space-lg);
}

.stat {
  min-width: 0;
  padding: var(--space-sm);
  border-radius: var(--radius-sm);
  background: var(--color-paper-2);
}

.stat-label {
  color: var(--color-muted);
  font-size: var(--text-xs);
}

.stat-value {
  margin-block-start: var(--space-2xs);
  overflow: hidden;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-variant-numeric: tabular-nums;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.provider-row,
.card-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.provider-badge,
.source-badge {
  display: inline-flex;
  min-height: 2rem;
  align-items: center;
  padding-inline: var(--space-sm);
  border-radius: var(--radius-pill);
  background: var(--color-paper-2);
  color: var(--color-ink-2);
  font-size: var(--text-xs);
  font-weight: 600;
}

.provider-badge.pending,
.provider-badge.timeout {
  color: var(--color-warning);
}

.provider-badge.error {
  color: var(--color-error);
}

.card-actions {
  margin-block-start: var(--space-md);
}

.analysis-btn,
.export-btn,
.project-link {
  padding-inline: var(--space-md);
  border: 1px solid var(--color-rule-strong);
  background: var(--color-paper);
  color: var(--color-ink);
  font-size: var(--text-sm);
}

.analysis-btn {
  flex: 1 1 auto;
}

.remake-script {
  margin-block-start: var(--space-lg);
  padding-block-start: var(--space-lg);
  border-block-start: 1px solid var(--color-rule);
}

.remake-script h4 {
  margin: 0 0 var(--space-sm);
  font-size: var(--text-sm);
}

.site-footer {
  display: grid;
  gap: var(--space-2xl);
  padding: var(--space-3xl) var(--page-gutter) var(--space-lg);
  overflow: hidden;
  background: var(--color-ink);
  color: var(--color-paper);
}

.footer-lead {
  display: grid;
  gap: var(--space-lg);
}

.brand--footer {
  width: fit-content;
  font-size: var(--text-2xl);
}

.footer-lead p {
  max-width: 48ch;
  margin: 0;
  color: var(--color-paper-3);
  font-size: var(--text-md);
}

.footer-index {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-lg);
}

.footer-index > div {
  display: grid;
  align-content: start;
  gap: var(--space-sm);
}

.footer-index span,
.footer-meta {
  color: var(--color-paper-4);
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.footer-index a,
.footer-index p {
  width: fit-content;
  margin: 0;
  color: var(--color-paper);
  font-size: var(--text-sm);
  text-decoration: none;
}

.footer-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding-block-start: var(--space-lg);
  border-block-start: 1px solid var(--color-rule-dark);
}

.footer-meta a {
  color: var(--color-paper);
  text-decoration: none;
}

.footer-wordmark {
  display: block;
  margin-block-end: -0.12em;
  overflow: hidden;
  font-family: var(--font-display);
  font-size: clamp(5rem, 20vw, 17rem);
  font-weight: 400;
  letter-spacing: -0.075em;
  line-height: 0.76;
  text-align: center;
}

.report-dialog {
  position: fixed;
  inset: 0;
  width: min(58rem, calc(100% - 1.5rem));
  max-width: none;
  height: fit-content;
  max-height: calc(100dvh - 1.5rem);
  margin: auto;
  padding: 0;
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-lg);
  background: var(--color-paper);
  color: var(--color-ink);
  overflow: hidden;
  z-index: var(--z-modal);
}

.report-dialog::backdrop {
  background: var(--color-overlay);
}

.report-shell {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  max-height: calc(100dvh - 1.5rem);
}

.modal-header {
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  border-block-end: 1px solid var(--color-rule);
}

.modal-header h2 {
  margin: var(--space-2xs) 0 0;
  font-family: var(--font-display);
  font-size: var(--text-md);
}

.modal-header span {
  color: var(--color-muted);
}

.modal-actions {
  gap: var(--space-xs);
}

.modal-close {
  width: var(--control-height);
  padding: 0;
  border: 1px solid var(--color-rule);
  background: var(--color-paper-2);
  color: var(--color-ink);
  font-size: var(--text-lg);
}

.modal-content {
  min-height: 0;
  padding: var(--space-lg);
  overflow-y: auto;
}

.markdown-content {
  color: var(--color-ink-2);
}

.markdown-content h2,
.markdown-content h3 {
  color: var(--color-ink);
  font-family: var(--font-display);
  font-style: normal;
}

.markdown-content h2 {
  margin: var(--space-xl) 0 var(--space-md);
  font-size: var(--text-lg);
}

.markdown-content h3 {
  margin: var(--space-lg) 0 var(--space-sm);
  font-size: var(--text-md);
}

.markdown-content p,
.markdown-content li {
  max-width: 72ch;
}

.markdown-content pre,
.markdown-content code {
  font-family: var(--font-display);
}

.markdown-content pre {
  padding: var(--space-md);
  overflow-x: auto;
  border-radius: var(--radius-sm);
  background: var(--color-paper-2);
}

.markdown-content table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.markdown-content th,
.markdown-content td {
  padding: var(--space-sm);
  border-block-end: 1px solid var(--color-rule);
  text-align: start;
}

@media (hover: hover) and (pointer: fine) {
  .desktop-nav a:hover {
    color: var(--color-muted);
  }

  .nav-cta:hover,
  .hero-cta:hover,
  .btn-primary:hover {
    background: var(--color-accent);
    color: var(--color-accent-ink);
  }

  .mobile-settings:hover,
  .empty-action:hover {
    background: var(--color-accent-hover);
  }

  .refresh-link:hover,
  .analysis-btn:hover,
  .export-btn:hover,
  .project-link:hover,
  .modal-close:hover,
  .keyword-item:hover {
    border-color: var(--color-ink);
  }

  .source-field input:hover,
  .field input:hover,
  .field textarea:hover,
  .settings-field input:hover,
  .settings-field textarea:hover,
  .settings-field select:hover {
    background: var(--color-paper-2);
  }
}

@media (min-width: 40rem) {
  .source-row {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }

  .remake-grid {
    grid-template-columns: minmax(0, 0.75fr) minmax(0, 1.25fr);
  }

  .pipeline-stages {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-md);
  }

  .stage {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .stage__state {
    grid-column: 2;
  }

  .frame-row {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .frame {
    min-height: 10rem;
  }

  .empty-state {
    grid-template-columns: minmax(0, 1.3fr) minmax(17rem, 0.7fr);
    align-items: end;
  }

  .video-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 52rem) {
  .site-header {
    inset-block-start: var(--space-lg);
    padding-inline: clamp(3rem, 6.7vw, 6rem);
  }

  .nav-shell {
    min-height: 4rem;
    padding: 0;
    border: 0;
    background: transparent;
    box-shadow: none;
    backdrop-filter: none;
  }

  .nav-primary,
  .nav-actions {
    min-height: 4rem;
    border: 1px solid var(--color-rule);
    border-radius: var(--radius-nav);
    background: var(--color-float-strong);
    box-shadow: var(--shadow-float);
    backdrop-filter: blur(1rem);
  }

  .nav-primary {
    flex: 0 1 auto;
    gap: var(--space-xl);
    min-width: min(38rem, calc(100vw - 26rem));
    padding-inline: var(--space-lg);
  }

  .nav-actions {
    padding: var(--space-2xs) var(--space-2xs) var(--space-2xs) var(--space-lg);
  }

  .desktop-nav {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
  }

  .desktop-nav a {
    min-height: 2.75rem;
    align-content: center;
    font-size: var(--text-sm);
    font-weight: 600;
    line-height: 1;
    text-decoration: none;
    transition: color var(--dur-short) var(--ease-out);
  }

  .nav-secondary {
    display: inline-flex;
    min-height: 2.75rem;
    align-items: center;
    padding-inline: var(--space-sm);
    font-size: var(--text-sm);
    font-weight: 600;
    text-decoration: none;
  }

  .nav-cta {
    display: inline-flex;
    min-height: 3rem;
    align-items: center;
    justify-content: center;
    padding-inline: var(--space-lg);
    border-radius: var(--radius-pill);
    background: var(--color-ink);
    color: var(--color-paper);
    font-size: var(--text-sm);
    font-weight: 700;
    line-height: 1;
    text-decoration: none;
    transition: background-color var(--dur-short) var(--ease-out), color var(--dur-short) var(--ease-out);
  }

  .mobile-settings {
    display: none;
  }

  .hero {
    grid-template-columns: minmax(0, 1fr);
    align-content: start;
    padding-block-start: 0;
  }

  .hero-visual {
    grid-column: 1;
    width: min(100%, 36rem);
    min-height: 20rem;
    justify-self: center;
  }

  .hero-copy {
    grid-column: 1;
    width: 100%;
    margin-block-start: var(--space-sm);
    text-align: center;
  }

  .hero h1 {
    max-width: none;
    margin-inline: auto;
    font-size: clamp(5rem, 7.5vw, 7rem);
  }

  .hero-lede {
    margin-inline: auto;
  }

  .analysis-studio {
    grid-column: 1;
    justify-self: center;
    padding: var(--space-xl);
  }

  .story-section {
    padding-block: var(--space-4xl);
  }

  .evidence-stage {
    grid-template-columns: minmax(0, 0.7fr) minmax(0, 1.3fr);
    align-items: start;
    gap: var(--space-3xl);
  }

  .stage-intro {
    position: sticky;
    inset-block-start: calc(var(--nav-height) + var(--space-xl));
  }

  .workflow {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-2xl);
  }

  .workflow > header {
    position: static;
    max-width: 56rem;
  }

  .workflow-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--space-lg);
  }

  .workflow-list article {
    grid-template-columns: 1fr;
    align-content: start;
    gap: var(--space-md);
  }

  .workflow-list span {
    grid-row: auto;
  }

  .workflow-list p {
    font-size: var(--text-sm);
  }

  .site-footer {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    align-items: start;
    padding: var(--space-3xl) var(--page-gutter);
  }

  .footer-meta,
  .footer-wordmark {
    grid-column: 1 / -1;
  }
}

@media (min-width: 80rem) {
  .hero-visual {
    width: min(100%, 39rem);
    min-height: 21rem;
  }

  .hero h1 {
    font-size: clamp(6rem, 7.5vw, 7.35rem);
  }

  .analysis-studio {
    margin-block-start: var(--space-3xl);
  }

  .frame {
    min-height: 13rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 150ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 150ms !important;
  }

  [data-motion],
  .story-section,
  .hero-visual,
  .waveform i,
  .signal-strip__track {
    opacity: 1 !important;
    transform: none !important;
  }
}