/* === codecpeek — design system === */
/* Brand tokens emitted as CSS custom properties per assets/brand.md */

/* === Reset === */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* === Theme variables === */
:root,
[data-theme="dark"] {
  --color-primary: #14b8a6;
  --color-primary-hover: #2dd4bf;
  --color-bg: #0f172a;
  --color-surface: #1e293b;
  --color-surface-hover: #334155;
  --color-text: #f1f5f9;
  --color-text-muted: #cbd5e1;
  --color-border: #334155;
  --color-danger: #ef4444;
  --color-success: #34d399;
  --color-warning: #fbbf24;
  --radius: 4px;
  --radius-zone: 8px;
  --radius-tag: 2px;
  --space-unit: 8px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Work Sans', sans-serif;
  --font-mono: monospace;
  --content-width: min(80ch, 100% - 2rem);
  --max-readable: 70ch;
  --color-bg-raw: 15 23 42;
  --surface-alpha: 0.05;
  --hero-fig-bg: #1e293b;
}

[data-theme="light"] {
  --color-primary: #0d9488;
  --color-primary-hover: #14b8a6;
  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-surface-hover: #f1f5f9;
  --color-text: #0f172a;
  --color-text-muted: #64748b;
  --color-border: #cbd5e1;
  --color-danger: #dc2626;
  --color-success: #059669;
  --color-warning: #d97706;
  --color-bg-raw: 248 250 252;
  --hero-fig-bg: #f1f5f9;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background 300ms ease, color 300ms ease;
}

/* === Shared Header / Navigation === */
.page-header {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: calc(var(--space-unit) * 2) calc(var(--space-unit) * 2);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
  transition: background 300ms ease;
}

.header-inner {
  max-width: var(--content-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: calc(var(--space-unit) * 1.5);
}

.site-logo-link {
  display: flex;
  align-items: center;
  gap: calc(var(--space-unit) * 1);
  text-decoration: none;
  color: var(--color-primary);
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 500;
}

.site-logo-link:hover {
  color: var(--color-primary-hover);
}

.logo-wave {
  flex-shrink: 0;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: calc(var(--space-unit) * 2);
  margin-left: auto;
}

.header-nav a {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  text-decoration: none;
  padding: calc(var(--space-unit) * 0.5) calc(var(--space-unit) * 1);
  border-radius: var(--radius);
  transition: color 150ms ease, background 150ms ease;
}

.header-nav a:hover {
  color: var(--color-primary);
  background: rgba(var(--color-bg-raw), var(--surface-alpha));
}

.header-nav a.current {
  color: var(--color-primary);
}

/* Theme toggle */
.theme-toggle {
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: calc(var(--space-unit) * 0.5) calc(var(--space-unit) * 1);
  cursor: pointer;
  color: var(--color-text-muted);
  font-family: var(--font-body);
  font-size: 0.6875rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: color 150ms ease, border-color 150ms ease;
  display: flex;
  align-items: center;
  gap: calc(var(--space-unit) * 0.5);
}

.theme-toggle:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.theme-toggle .icon {
  font-size: 0.875rem;
  line-height: 1;
}

/* === Eyebrow section label === */
.section-eyebrow {
  font-family: var(--font-body);
  font-size: 0.6875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-primary);
  margin-bottom: calc(var(--space-unit) * 1.5);
  display: flex;
  align-items: center;
  gap: calc(var(--space-unit) * 1);
}

.section-number {
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: var(--color-primary);
  opacity: 0.5;
}

/* === Section styles (marketing home) === */
.site-section {
  padding: calc(var(--space-unit) * 10) 0;
  animation: sectionReveal 500ms ease both;
}

.site-section:first-of-type {
  padding-top: calc(var(--space-unit) * 6);
}

.section-inner {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 1rem;
}

.section-heading {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: calc(var(--space-unit) * 2);
  max-width: var(--max-readable);
}

.section-text {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  max-width: var(--max-readable);
  line-height: 1.7;
}

.section-text + .section-text {
  margin-top: calc(var(--space-unit) * 2);
}

/* === Hero (home page) === */
.hero-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: calc(var(--space-unit) * 6);
  align-items: start;
  padding-top: calc(var(--space-unit) * 4) !important;
  padding-bottom: calc(var(--space-unit) * 8) !important;
  min-height: 60vh;
}

.hero-text-col {
  display: flex;
  flex-direction: column;
  gap: calc(var(--space-unit) * 2);
  padding-top: calc(var(--space-unit) * 4);
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--color-text);
}

.hero-headline .accent {
  color: var(--color-primary);
}

.hero-subtitle {
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  max-width: 40ch;
}

.hero-actions {
  display: flex;
  gap: calc(var(--space-unit) * 2);
  margin-top: calc(var(--space-unit) * 2);
}

/* Figure */
.hero-figure-col {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-figure {
  width: 100%;
  max-width: 520px;
  background: var(--hero-fig-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: calc(var(--space-unit) * 3);
  transition: background 300ms ease;
}

/* Hero screenshot — fills the figure column, bordered like a card */
.hero-screenshot {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

/* === Primary button === */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: calc(var(--space-unit) * 1);
  padding: calc(var(--space-unit) * 1.5) calc(var(--space-unit) * 3);
  background: var(--color-primary);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  text-decoration: none;
  transition: background 150ms ease, transform 150ms ease;
}

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

.btn-primary:active {
  transform: scale(0.98);
}

/* === Secondary button === */
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: calc(var(--space-unit) * 1);
  padding: calc(var(--space-unit) * 1.5) calc(var(--space-unit) * 3);
  background: transparent;
  color: var(--color-text-muted);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  cursor: pointer;
  text-decoration: none;
  transition: color 150ms ease, border-color 150ms ease;
}

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

/* === Proof strip === */
.proof-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: calc(var(--space-unit) * 1);
  margin-top: calc(var(--space-unit) * 4);
}

.proof-cell {
  padding: calc(var(--space-unit) * 2) calc(var(--space-unit) * 2);
  border-right: 1px solid var(--color-border);
}

.proof-cell:last-child {
  border-right: none;
}

.proof-number {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 600;
  color: var(--color-primary);
  line-height: 1.1;
  margin-bottom: calc(var(--space-unit) * 0.5);
}

.proof-caption {
  font-family: var(--font-body);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* === Diagnostic list (brand-compliant replacement for feature grid) === */
.diagnostic-list {
  display: flex;
  flex-direction: column;
  gap: calc(var(--space-unit) * 3);
  margin-top: calc(var(--space-unit) * 3);
  max-width: var(--max-readable);
}

.diagnostic-item {
  padding: calc(var(--space-unit) * 2) 0 calc(var(--space-unit) * 2) calc(var(--space-unit) * 3);
  border-left: 2px solid var(--color-border);
}

.diagnostic-item h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: calc(var(--space-unit) * 0.5);
}

.diagnostic-item p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* === Feature grid (deprecated — kept only for unused CSS safety) ===
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: calc(var(--space-unit) * 3);
  margin-top: calc(var(--space-unit) * 2);
}

.feature-card {
  padding: calc(var(--space-unit) * 3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  transition: border-color 150ms ease;
}

.feature-card:hover {
  border-color: var(--color-primary);
} */

.feature-icon {
  margin-bottom: calc(var(--space-unit) * 2);
  color: var(--color-primary);
}

.feature-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: calc(var(--space-unit) * 1);
  color: var(--color-text);
}

.feature-desc {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* === How it works (steps) === */
.steps-list {
  display: flex;
  flex-direction: column;
  gap: calc(var(--space-unit) * 5);
  margin-top: calc(var(--space-unit) * 4);
  max-width: var(--max-readable);
}

.step-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: calc(var(--space-unit) * 3);
  align-items: start;
}

.step-marker {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-bg);
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.step-content h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: calc(var(--space-unit) * 0.5);
}

.step-content p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* === Limits / what it cannot do === */
.limits-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: calc(var(--space-unit) * 2);
  margin-top: calc(var(--space-unit) * 2);
}

.limit-item {
  padding: calc(var(--space-unit) * 2) calc(var(--space-unit) * 2);
  border-left: 2px solid var(--color-border);
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.limit-item .limit-label {
  font-family: var(--font-body);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  display: block;
  margin-bottom: calc(var(--space-unit) * 0.5);
}

/* === Use cases grid === */
.usecases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: calc(var(--space-unit) * 3);
  margin-top: calc(var(--space-unit) * 2);
}

.usecase-card {
  padding: calc(var(--space-unit) * 3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.usecase-q {
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: calc(var(--space-unit) * 1.5);
}

.usecase-a {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* === FAQ === */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: calc(var(--space-unit) * 0);
  margin-top: calc(var(--space-unit) * 3);
  max-width: var(--max-readable);
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
  padding: calc(var(--space-unit) * 3) 0;
}

.faq-q {
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: calc(var(--space-unit) * 1);
}

.faq-a {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* === CTA section === */
.cta-section {
  text-align: center;
  padding: calc(var(--space-unit) * 12) 0;
}

.cta-section .section-heading {
  margin: 0 auto calc(var(--space-unit) * 1.5);
}

.cta-section .section-text {
  margin: 0 auto calc(var(--space-unit) * 3);
}

/* === Main content === */
main {
  flex: 1;
  width: 100%;
}

/* === App page hero (two-column: text + drop zone) === */
.app-hero {
  display: grid;
  grid-template-columns: 40% 60%;
  gap: calc(var(--space-unit) * 4);
  padding-top: calc(var(--space-unit) * 6);
  padding-bottom: calc(var(--space-unit) * 2);
  max-width: var(--content-width);
  margin: 0 auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

.app-hero-text {
  display: flex;
  flex-direction: column;
  gap: calc(var(--space-unit) * 1.5);
  padding-top: calc(var(--space-unit) * 2);
}

.app-hero-headline {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 600;
  line-height: 1.15;
  color: var(--color-text);
}

.app-hero-subtitle {
  font-family: var(--font-display);
  font-size: clamp(1rem, 2vw, 1.25rem);
  font-weight: 400;
  color: var(--color-text-muted);
}

.app-hero-desc {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* === Drop Zone (shared between app.html and pricing.html) === */
.drop-zone {
  position: relative;
  border: 1.5px dashed var(--color-border);
  border-radius: var(--radius-zone);
  padding: calc(var(--space-unit) * 8) calc(var(--space-unit) * 6);
  cursor: pointer;
  transition: border-color 150ms ease, background 150ms ease;
  overflow: hidden;
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.drop-zone:hover,
.drop-zone.drag-over {
  border-color: var(--color-primary);
  background: rgba(var(--color-bg-raw), 0.05);
}

[data-theme="light"] .drop-zone.drag-over {
  background: rgba(20, 184, 166, 0.05);
}

.drop-zone-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: calc(var(--space-unit) * 1.5);
  text-align: center;
}

.upload-icon {
  opacity: 0.5;
}

.drag-over .upload-icon {
  opacity: 0.8;
}

.drop-zone-label {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.drop-zone-hint {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  opacity: 0.7;
  max-width: 32ch;
}

.drop-zone-active-indicator {
  position: absolute;
  inset: 0;
  background: var(--color-primary);
  opacity: 0;
  transition: opacity 300ms ease;
  pointer-events: none;
}

.drop-zone.dropped .drop-zone-active-indicator {
  opacity: 0.08;
}

/* Reset for the hidden file input */
.drop-zone input[type="file"] {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* Privacy notice under drop zone */
.privacy-notice {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  opacity: 0.6;
  text-align: center;
  margin-top: calc(var(--space-unit) * 2);
}

/* === Processing Bar === */
.processing-bar-wrapper {
  margin: calc(var(--space-unit) * 4) auto;
  max-width: var(--content-width);
  padding: 0 1rem;
  text-align: center;
}

.processing-bar {
  height: 4px;
  background: var(--color-surface);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: calc(var(--space-unit) * 1.5);
}

.processing-bar-fill {
  height: 100%;
  width: 0%;
  background: var(--color-primary);
  border-radius: 2px;
  transition: width 300ms ease;
}

.processing-label {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* === Results (app page) === */
.results {
  max-width: var(--content-width);
  margin: calc(var(--space-unit) * 4) auto 0;
  padding: 0 1rem;
  animation: fadeSlideUp 300ms ease both;
}

/* === Verdict Banner === */
.verdict-banner {
  display: flex;
  align-items: center;
  gap: calc(var(--space-unit) * 1.5);
  padding: calc(var(--space-unit) * 1.5) calc(var(--space-unit) * 3);
  margin-bottom: calc(var(--space-unit) * 6);
  border-left: 2px solid;
  background: var(--color-surface);
  border-radius: var(--radius);
  font-size: 0.9375rem;
  line-height: 1.4;
}

.verdict-banner.success {
  border-left-color: var(--color-success);
}

.verdict-banner.warning {
  border-left-color: var(--color-warning);
}

.verdict-banner.danger {
  border-left-color: var(--color-danger);
}

.verdict-banner.info {
  border-left-color: var(--color-primary);
}

.verdict-icon {
  font-size: 1.25rem;
  flex-shrink: 0;
}

/* === Cards (container, stream) === */
.container-card,
.stream-card {
  padding: calc(var(--space-unit) * 3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: calc(var(--space-unit) * 6);
  background: var(--color-surface);
  transition: background 300ms ease;
}

.stream-card {
  animation: fadeSlideUp 300ms ease both;
}

.stream-card:nth-child(2) { animation-delay: 200ms; }
.stream-card:nth-child(3) { animation-delay: 400ms; }
.stream-card:nth-child(4) { animation-delay: 600ms; }
.stream-card:nth-child(5) { animation-delay: 800ms; }

.card-heading {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 500;
  margin-bottom: calc(var(--space-unit) * 3);
  color: var(--color-text);
}

.stream-heading {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: calc(var(--space-unit) * 3);
  display: flex;
  align-items: center;
  gap: calc(var(--space-unit) * 1.5);
}

.stream-type-tag {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.625rem;
  font-weight: 500;
  padding: 1px 6px;
  border-radius: var(--radius-tag);
  background: var(--color-surface-hover);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* === Property List (key-value pairs) === */
.property-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.property-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: calc(var(--space-unit) * 1.5) 0;
  gap: calc(var(--space-unit) * 2);
}

.property-row + .property-row {
  border-top: 1px solid rgba(51, 65, 85, 0.4);
}

.property-group {
  padding-top: calc(var(--space-unit) * 1.5);
  margin-top: calc(var(--space-unit) * 1.5);
  border-top: 1px solid var(--color-border);
}

.property-label {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  flex-shrink: 0;
}

.property-value {
  font-size: 0.875rem;
  color: var(--color-text);
  text-align: right;
  word-break: break-all;
}

.property-value.muted {
  color: var(--color-text-muted);
  font-style: italic;
}

.property-value.danger {
  color: var(--color-danger);
}

.property-value.warning {
  color: var(--color-warning);
}

.property-value.success {
  color: var(--color-success);
}

.property-note {
  font-size: 0.75rem;
  color: var(--color-danger);
  display: block;
  margin-top: 2px;
  text-align: right;
}

.property-note.warning {
  color: var(--color-warning);
}

/* === Warnings Section === */
.warnings-section {
  margin-bottom: calc(var(--space-unit) * 6);
}

.warning-item {
  display: flex;
  align-items: flex-start;
  gap: calc(var(--space-unit) * 1.5);
  padding: calc(var(--space-unit) * 1.5) calc(var(--space-unit) * 3);
  border-left: 2px solid;
  background: var(--color-surface);
  border-radius: var(--radius);
  font-size: 0.875rem;
  margin-bottom: calc(var(--space-unit) * 2);
}

.warning-item.error {
  border-left-color: var(--color-danger);
}

.warning-item.warning {
  border-left-color: var(--color-warning);
}

.warning-item.info {
  border-left-color: var(--color-primary);
}

.warning-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 6px;
}

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

.warning-dot.warning {
  background: var(--color-warning);
}

.warning-dot.info {
  background: var(--color-primary);
}

.warning-text {
  line-height: 1.5;
}

.warning-stream-label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  opacity: 0.7;
}

/* === Thumbnail Strip === */
.thumbnails-section {
  margin-bottom: calc(var(--space-unit) * 6);
}

.thumbnail-strip {
  display: flex;
  gap: calc(var(--space-unit) * 2);
  flex-wrap: wrap;
}

.thumbnail-strip img {
  width: 160px;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background: #000;
}

.no-thumbnails {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  font-style: italic;
}

/* === Download === */
.download-section {
  text-align: center;
  margin-bottom: calc(var(--space-unit) * 6);
}

.download-button {
  display: inline-flex;
  align-items: center;
  gap: calc(var(--space-unit) * 1);
  padding: calc(var(--space-unit) * 1.5) calc(var(--space-unit) * 4);
  background: var(--color-primary);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  text-decoration: none;
  transition: background 150ms ease;
}

.download-button:hover {
  background: var(--color-primary-hover);
}

/* Compound control (copy + action) */
.compound-control {
  display: inline-flex;
  align-items: stretch;
  gap: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}

.compound-control .btn-primary {
  border-radius: 0;
  border-right: 1px solid rgba(0,0,0,0.2);
}

.compound-control .copy-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 calc(var(--space-unit) * 1.5);
  background: var(--color-surface);
  color: var(--color-text-muted);
  font-family: var(--font-body);
  font-size: 0.6875rem;
  border: none;
  cursor: pointer;
  transition: color 150ms ease, background 150ms ease;
  gap: calc(var(--space-unit) * 0.5);
}

.compound-control .copy-btn:hover {
  color: var(--color-primary);
  background: var(--color-surface-hover);
}

/* === Error Banner === */
.error-banner {
  max-width: var(--content-width);
  margin: calc(var(--space-unit) * 4) auto;
  padding: calc(var(--space-unit) * 3) 1rem;
}

.error-banner-inner {
  padding: calc(var(--space-unit) * 3);
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: var(--radius);
}

.error-text {
  font-size: 0.9375rem;
  color: var(--color-danger);
  line-height: 1.5;
}

/* === Pricing page === */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: calc(var(--space-unit) * 4);
  max-width: var(--content-width);
  margin: calc(var(--space-unit) * 6) auto 0;
  padding: 0 1rem;
}

.pricing-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: calc(var(--space-unit) * 4);
  background: var(--color-surface);
  transition: border-color 150ms ease;
}

.pricing-card.featured {
  border-color: var(--color-primary);
  position: relative;
}

.pricing-card.featured::before {
  content: 'Best value';
  font-family: var(--font-body);
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  position: absolute;
  top: calc(var(--space-unit) * -0.5);
  right: calc(var(--space-unit) * 2);
  background: var(--color-primary);
  color: var(--color-bg);
  padding: 2px calc(var(--space-unit) * 1.5);
  border-radius: var(--radius-tag);
}

.pricing-name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: calc(var(--space-unit) * 1);
}

.pricing-price {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: calc(var(--space-unit) * 0.5);
}

.pricing-period {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-bottom: calc(var(--space-unit) * 3);
}

.pricing-features {
  list-style: none;
  margin-bottom: calc(var(--space-unit) * 4);
  flex: 1;
}

.pricing-features li {
  font-size: 0.8125rem;
  padding: calc(var(--space-unit) * 1) 0;
  color: var(--color-text-muted);
  display: flex;
  align-items: flex-start;
  gap: calc(var(--space-unit) * 1);
}

.pricing-features li::before {
  content: '>';
  font-family: var(--font-body);
  color: var(--color-primary);
  font-weight: 600;
  flex-shrink: 0;
}

.pricing-features .na {
  opacity: 0.4;
}

.pricing-features .na::before {
  content: '-';
  color: var(--color-text-muted);
}

/* Mock checkout form */
.mock-checkout {
  max-width: 480px;
  margin: calc(var(--space-unit) * 6) auto;
  padding: calc(var(--space-unit) * 4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
}

.mock-checkout-label {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  display: block;
  margin-bottom: calc(var(--space-unit) * 0.5);
  font-family: var(--font-body);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.mock-checkout-input {
  width: 100%;
  padding: calc(var(--space-unit) * 1.5);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 0.875rem;
  margin-bottom: calc(var(--space-unit) * 2);
  transition: border-color 150ms ease;
}

.mock-checkout-input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.mock-checkout-note {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-align: center;
  margin-top: calc(var(--space-unit) * 2);
  padding: calc(var(--space-unit) * 1);
  background: rgba(20, 184, 166, 0.08);
  border-radius: var(--radius-tag);
  font-family: var(--font-body);
  letter-spacing: 0.02em;
}

/* Pricing success state */
.subscribe-success {
  display: none;
  text-align: center;
  padding: calc(var(--space-unit) * 6);
}

.subscribe-success.show {
  display: block;
  animation: fadeSlideUp 300ms ease both;
}

.subscribe-success-icon {
  font-size: 2rem;
  margin-bottom: calc(var(--space-unit) * 2);
}

.subscribe-success h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 500;
  margin-bottom: calc(var(--space-unit) * 1);
}

.subscribe-success p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* === Badge (e.g. "Planned" on pricing cards) === */
.badge {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: rgba(251, 191, 36, 0.15);
  color: var(--color-warning);
  padding: 1px calc(var(--space-unit) * 1);
  border-radius: var(--radius-tag);
  vertical-align: middle;
  margin-left: calc(var(--space-unit) * 0.5);
}

/* === Legal pages (privacy, terms) === */
.legal-page {
  max-width: min(72ch, 100% - 2rem);
  margin: calc(var(--space-unit) * 6) auto;
  padding: 0 1rem;
}

.legal-page h1 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 600;
  margin-bottom: calc(var(--space-unit) * 4);
  line-height: 1.2;
}

.legal-page h2 {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 500;
  margin-top: calc(var(--space-unit) * 5);
  margin-bottom: calc(var(--space-unit) * 2);
  color: var(--color-text);
}

.legal-page p {
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--color-text-muted);
  margin-bottom: calc(var(--space-unit) * 2);
}

.legal-page .last-updated {
  font-family: var(--font-body);
  font-size: 0.6875rem;
  color: var(--color-text-muted);
  margin-bottom: calc(var(--space-unit) * 4);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.legal-page ul {
  margin-bottom: calc(var(--space-unit) * 2);
  padding-left: calc(var(--space-unit) * 3);
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.legal-page li {
  margin-bottom: calc(var(--space-unit) * 0.5);
}

.legal-page .legal-notice {
  background: rgba(20, 184, 166, 0.06);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: calc(var(--space-unit) * 3);
  margin: calc(var(--space-unit) * 4) 0;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--color-text-muted);
}

/* === Footer === */
.page-footer {
  padding: calc(var(--space-unit) * 4) 1rem;
  border-top: 1px solid var(--color-border);
  margin-top: calc(var(--space-unit) * 6);
}

.footer-inner {
  max-width: var(--content-width);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: calc(var(--space-unit) * 2);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: calc(var(--space-unit) * 2);
}

.footer-links a {
  font-family: var(--font-body);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color 150ms ease;
}

.footer-links a:hover {
  color: var(--color-primary);
}

.footer-copy {
  font-size: 0.6875rem;
  color: var(--color-text-muted);
  opacity: 0.6;
  font-family: var(--font-body);
  letter-spacing: 0.05em;
}

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

/* === Keyframe animations === */
@keyframes fadeSlideUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes sectionReveal {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulseGlow {
  0%, 100% {
    opacity: 0.3;
  }
  50% {
    opacity: 0.6;
  }
}

@keyframes countUp {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Flow indicator in figure */
.flow-arrow {
  animation: pulseGlow 2s ease-in-out infinite;
}

/* Figure labels */
.figure-label {
  font-family: var(--font-body);
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  fill: var(--color-text-muted);
}

.figure-label-bright {
  fill: var(--color-text);
  font-family: var(--font-body);
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Line in figure */
.figure-line {
  stroke: var(--color-border);
  stroke-width: 1;
  fill: none;
}

.figure-line-active {
  stroke: var(--color-primary);
  stroke-width: 1.5;
  fill: none;
}

.figure-box {
  fill: var(--color-surface);
  stroke: var(--color-border);
  stroke-width: 1;
  rx: 4;
  ry: 4;
}

[data-theme="light"] .figure-box {
  fill: var(--hero-fig-bg);
}

.figure-box-highlight {
  fill: rgba(20, 184, 166, 0.08);
  stroke: var(--color-primary);
  stroke-width: 1.5;
  rx: 4;
  ry: 4;
}

.figure-text {
  fill: var(--color-text);
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 500;
}

.figure-text-muted {
  fill: var(--color-text-muted);
  font-family: var(--font-body);
  font-size: 0.625rem;
}

.figure-sine {
  fill: none;
  stroke: var(--color-primary);
  stroke-width: 1.5;
  stroke-linecap: round;
}

.figure-cursor {
  stroke: var(--color-primary);
  stroke-width: 1.5;
  stroke-linecap: round;
}

/* === Responsive === */
@media (max-width: 768px) {
  .hero-section {
    grid-template-columns: 1fr;
    gap: calc(var(--space-unit) * 4);
    padding-top: calc(var(--space-unit) * 3) !important;
  }

  .app-hero {
    grid-template-columns: 1fr;
    gap: calc(var(--space-unit) * 3);
    padding-top: calc(var(--space-unit) * 3);
  }

  .app-hero-text {
    padding-top: 0;
  }

  .drop-zone {
    padding: calc(var(--space-unit) * 4) calc(var(--space-unit) * 3);
    min-height: 160px;
  }

  .thumbnail-strip {
    justify-content: center;
  }

  .thumbnail-strip img {
    width: 120px;
  }

  .property-row {
    flex-direction: column;
    gap: calc(var(--space-unit) * 0.5);
  }

  .property-value {
    text-align: left;
  }

  .header-nav {
    gap: calc(var(--space-unit) * 0.5);
  }

  .header-nav a {
    font-size: 0.625rem;
    padding: calc(var(--space-unit) * 0.5);
  }

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

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

  .proof-cell {
    border-right: none;
    border-bottom: 1px solid var(--color-border);
  }

  .proof-cell:last-child {
    border-bottom: none;
  }

  .feature-grid,
  .usecases-grid {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .footer-links {
    justify-content: center;
  }

  .hero-figure {
    padding: calc(var(--space-unit) * 2);
  }

  .site-section {
    padding: calc(var(--space-unit) * 6) 0;
  }
}

/* === No-js fallback === */
.no-js-notice {
  display: none;
  margin-top: 1rem;
  padding: 1rem;
  background: var(--color-surface);
  border-radius: var(--radius);
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

@media (scripting: enabled) {
  .no-js-notice {
    display: none !important;
  }
}

/* Motion pause control */
.motion-control {
  font-family: var(--font-body);
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  opacity: 0.5;
  background: none;
  border: none;
  cursor: pointer;
  position: fixed;
  bottom: calc(var(--space-unit) * 2);
  right: calc(var(--space-unit) * 2);
  z-index: 200;
  transition: opacity 150ms ease;
}

.motion-control:hover {
  opacity: 1;
  color: var(--color-primary);
}