/* ==========================================================================
   SLOTHFRIDGE — THE COUCH POTATO CULINARY COPILOT
   Mid-century maker aesthetic, warm aged-paper ground, carbon ink typography
   ========================================================================== */

:root {
  --ground: #EFE9DD;
  --ground-secondary: #E5DED0;
  --ink: #141C2B;
  --ink-secondary: #4A5364;
  --ink-muted: #767E8C;
  --accent-blue: #2C4A8F;
  --hairline: rgba(20, 28, 43, 0.16);
  --hairline-strong: rgba(20, 28, 43, 0.32);

  --font-serif: "Newsreader", Georgia, serif;
  --font-mono: "Courier Prime", monospace;

  --nav-height: 64px;
}

/* Strict Reset & Square Corner Constraint */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  border-radius: 0 !important; /* Strict square corners everywhere */
}

html {
  background-color: var(--ground);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.85;
  letter-spacing: 0.08em;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--ground);
  color: var(--ink);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* Selection */
::selection {
  background: var(--ink);
  color: var(--ground);
}

/* Headlines & Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--ink);
}

.sloth-punchline {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--accent-blue); /* Reserved strictly for the lazy phrase */
}

.sloth-blue-text {
  color: var(--accent-blue);
}

/* ==========================================================================
   1. FIXED NAVIGATION BAR (MATCHING REFERENCE IMAGE)
   Clean cream background, spaced uppercase links, solid dark rectangular CTA
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  background: var(--ground-secondary);
  border-bottom: 1px solid var(--hairline);
  z-index: 100;
  display: flex;
  align-items: center;
}

.nav-container {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  text-decoration: none;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand-text {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 22px;
  letter-spacing: -0.01em;
}

.brand-dot {
  color: var(--accent-blue);
  font-family: var(--font-serif);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--ink-secondary);
  text-decoration: none;
  text-transform: uppercase;
  transition: color 0.15s ease;
  position: relative;
  padding: 8px 0;
}

.nav-link:hover {
  color: var(--ink);
}

.nav-link.active {
  color: var(--ink);
}

.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent-blue);
}

/* Far right block button exactly matching uploaded image */
.nav-cta-btn {
  background-color: var(--ink);
  color: var(--ground);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 13px 26px;
  border: 1px solid var(--ink);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s ease;
}

.nav-cta-btn:hover {
  background-color: transparent;
  color: var(--ink);
}

/* ==========================================================================
   2. HERO SECTION (WITH THE IMPRESSIVE SLOTH FRIDGE HERO)
   ========================================================================== */
.hero-section {
  background-color: var(--ground-secondary);
  padding-top: 48px;
  padding-bottom: 0;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-bottom: 1px solid var(--hairline);
  overflow: hidden;
}

.hero-main-grid {
  max-width: 1440px;
  margin: 0 auto;
  padding: 20px 40px 48px 40px;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}

.hero-content {
  z-index: 10;
}

.hero-kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ink-secondary);
  margin-bottom: 20px;
}

.hero-headline {
  font-size: clamp(34px, 4.2vw, 60px);
  line-height: 1.08;
  margin-bottom: 24px;
}

.hero-lede {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.85;
  color: var(--ink-secondary);
  max-width: 580px;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 24px;
}

/* Impressive Sloth Fridge Hero Artwork Card */
.hero-visual-card {
  border: 1px solid var(--ink);
  background: var(--ground);
  padding: 16px;
  position: relative;
}

.hero-image-frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--hairline);
  background: var(--ground-secondary);
  aspect-ratio: 1 / 1;
}

.hero-mascot-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.hero-visual-card:hover .hero-mascot-img {
  transform: scale(1.02);
}

.hero-image-caption {
  margin-top: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--ink-muted);
}

.caption-tag {
  color: var(--accent-blue);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid var(--ink);
  padding: 14px 28px;
  transition: all 0.15s ease;
}

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

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

.btn-hairline {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-decoration: none;
  color: var(--ink);
  border-bottom: 1px solid var(--ink);
  padding-bottom: 2px;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.btn-hairline:hover {
  color: var(--accent-blue);
  border-color: var(--accent-blue);
}

.btn-block {
  width: 100%;
}

/* Hero Bottom Telemetry Strip */
.hero-telemetry-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  background: var(--ground-secondary);
  z-index: 10;
}

.telemetry-cell {
  padding: 18px 24px;
  border-right: 1px solid var(--hairline);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

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

.telemetry-label {
  font-size: 10px;
  font-weight: 700;
  color: var(--ink-muted);
  letter-spacing: 0.12em;
}

.telemetry-value {
  font-size: 12px;
  font-weight: 700;
  color: var(--ink);
}

/* Massive Spread Wordmark */
.hero-wordmark-wrapper,
.footer-wordmark-wrapper {
  width: 100%;
  overflow: hidden;
  padding: 0 20px;
  transform: translateY(22%); /* Cropped at baseline */
  user-select: none;
}

.hero-wordmark,
.footer-wordmark {
  display: flex;
  justify-content: space-between;
  width: 100%;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(64px, 11.5vw, 190px);
  line-height: 0.8;
  color: var(--ink);
  letter-spacing: -0.04em;
  opacity: 0.95;
}

.hero-wordmark span,
.footer-wordmark span {
  display: inline-block;
  transition: transform 0.2s ease-out;
  will-change: transform;
}

/* ==========================================================================
   GLOBAL SECTION FRAMEWORK & PAGE HEADERS
   ========================================================================== */
.page-container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 60px 40px 80px 40px;
}

.page-header-block {
  border-bottom: 1px solid var(--hairline);
  padding-bottom: 32px;
  margin-bottom: 48px;
}

.page-kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--accent-blue);
  margin-bottom: 12px;
  display: block;
}

.page-headline {
  font-size: clamp(32px, 3.8vw, 54px);
  line-height: 1.12;
  margin-bottom: 16px;
}

.page-subhead {
  font-size: 13px;
  color: var(--ink-secondary);
  max-width: 720px;
  line-height: 1.85;
}

.section-boundary {
  border-bottom: 1px solid var(--hairline);
  max-width: 1440px;
  margin: 0 auto;
  padding: 80px 40px;
}

.section-header-block {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 48px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--hairline);
}

.section-idx {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--accent-blue);
}

.section-tagline {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--ink-secondary);
}

.section-title {
  font-size: clamp(28px, 3.2vw, 44px);
  line-height: 1.15;
  margin-bottom: 24px;
}

/* ==========================================================================
   SECTION 01 / THESIS PAGE
   ========================================================================== */
.thesis-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.thesis-col-left {
  padding-right: 24px;
  border-right: 1px solid var(--hairline);
}

.thesis-p {
  font-size: 13px;
  line-height: 1.9;
  color: var(--ink-secondary);
  margin-bottom: 24px;
}

.thesis-stat-box {
  border: 1px solid var(--hairline);
  padding: 24px;
  margin-top: 36px;
  background: var(--ground-secondary);
}

.stat-line {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px dashed var(--hairline);
  font-size: 11px;
}

.stat-line:last-child {
  border-bottom: none;
}

.stat-key {
  color: var(--ink-muted);
}

.stat-val {
  font-weight: 700;
  color: var(--accent-blue);
}

.thesis-col-right {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.thesis-compare-header {
  display: flex;
  justify-content: space-between;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--hairline);
}

.compare-row {
  border: 1px solid var(--hairline);
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--ground-secondary);
}

.compare-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--ink-muted);
}

.compare-subrow {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  font-size: 12px;
}

.compare-bad {
  color: var(--ink-secondary);
  text-decoration: line-through;
  opacity: 0.7;
}

.compare-good {
  color: var(--ink);
  font-weight: 700;
  border-left: 1px solid var(--accent-blue);
  padding-left: 12px;
}

/* ==========================================================================
   SECTION 02 / INGESTION
   ========================================================================== */
.ingestion-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: start;
}

.column-heading {
  font-size: clamp(26px, 2.8vw, 38px);
  line-height: 1.18;
  margin-bottom: 16px;
}

.column-desc {
  font-size: 12px;
  color: var(--ink-secondary);
  margin-bottom: 32px;
}

.form-group {
  margin-bottom: 28px;
}

.form-label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--ink);
  margin-bottom: 10px;
}

.hairline-input {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--ink);
  padding: 12px 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--ink);
  outline: none;
  transition: border-color 0.15s ease;
}

.hairline-input:focus {
  border-bottom-color: var(--accent-blue);
}

/* Quick Select Badges */
.badges-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 28px;
}

.badge-label {
  font-size: 10px;
  font-weight: 700;
  color: var(--ink-muted);
}

.btn-badge {
  background: transparent;
  border: 1px solid var(--hairline-strong);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 5px 9px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-badge:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
}

/* Heat Toggle */
.toggle-group {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.btn-toggle {
  background: transparent;
  border: 1px solid var(--hairline-strong);
  color: var(--ink-secondary);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 12px 8px;
  cursor: pointer;
  text-align: center;
  transition: all 0.15s ease;
}

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

.btn-toggle.active {
  border: 1px solid var(--ink);
  color: var(--ink);
  background: rgba(20, 28, 43, 0.06);
  position: relative;
}

.btn-toggle.active::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent-blue);
}

/* Sloth Level Slider / Toggle */
.sloth-level-group {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.btn-level {
  background: transparent;
  border: 1px solid var(--hairline-strong);
  color: var(--ink-secondary);
  font-family: var(--font-mono);
  padding: 12px;
  cursor: pointer;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: all 0.15s ease;
}

.level-num {
  font-size: 10px;
  font-weight: 700;
  color: var(--accent-blue);
}

.level-txt {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

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

.btn-level.active {
  border: 1px solid var(--ink);
  background: rgba(20, 28, 43, 0.06);
  color: var(--ink);
  position: relative;
}

.btn-level.active::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent-blue);
}

/* Telemetry Card (Right Column) */
.telemetry-card {
  border: 1px solid var(--ink);
  padding: 28px;
  background: var(--ground-secondary);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--hairline);
  margin-bottom: 24px;
}

.card-title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.badge-accent {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--accent-blue);
  border: 1px solid var(--accent-blue);
  padding: 2px 6px;
}

.metric-block {
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--hairline);
}

.metric-block:last-of-type {
  border-bottom: none;
}

.metric-label {
  display: block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--ink-muted);
  margin-bottom: 6px;
}

.metric-value-row {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.metric-large {
  font-family: var(--font-serif);
  font-size: 44px;
  font-weight: 600;
  line-height: 1;
  color: var(--ink);
}

.metric-unit {
  font-size: 11px;
  font-weight: 700;
  color: var(--accent-blue);
}

.metric-sub {
  font-size: 10px;
  color: var(--ink-secondary);
}

.metric-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}

.metric-grid-2 .metric-block {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.metric-medium {
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
}

.metric-row-space {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.hairline-progress-bar {
  width: 100%;
  height: 6px;
  border: 1px solid var(--hairline-strong);
  background: transparent;
  position: relative;
}

.progress-fill {
  height: 100%;
  background: var(--ink);
  transition: width 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}

/* Probabilities Matrix */
.probabilities-block {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--hairline);
}

.prob-row {
  display: grid;
  grid-template-columns: 140px 1fr 50px;
  gap: 10px;
  align-items: center;
  margin-bottom: 8px;
  font-size: 11px;
}

.prob-name {
  color: var(--ink-secondary);
}

.prob-bar-track {
  height: 4px;
  background: var(--hairline);
  position: relative;
}

.prob-bar-fill {
  height: 100%;
  background: var(--ink);
  transition: width 0.5s ease;
}

.prob-bar-fill.active {
  background: var(--accent-blue);
}

.prob-num {
  text-align: right;
  font-weight: 700;
}

.telemetry-footer-note {
  margin-top: 20px;
  padding-top: 12px;
  border-top: 1px dashed var(--hairline);
  font-size: 9px;
  color: var(--ink-muted);
  letter-spacing: 0.1em;
}

/* ==========================================================================
   SECTION 03 / RECIPE DEMONSTRATION PAGE
   ========================================================================== */
.recipe-panel {
  border: 1px solid var(--ink);
  background: var(--ground-secondary);
  padding: 36px;
}

.variant-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--hairline);
  margin-bottom: 28px;
}

.variant-heading {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--ink-muted);
}

.btn-variant {
  background: transparent;
  border: 1px solid var(--hairline-strong);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 8px 14px;
  cursor: pointer;
  transition: all 0.15s ease;
}

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

.btn-variant.active {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--ground);
}

.recipe-meta-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 28px;
}

.recipe-kicker {
  display: block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--accent-blue);
  margin-bottom: 8px;
}

.recipe-display-title {
  font-size: clamp(28px, 3.4vw, 46px);
  line-height: 1.12;
  margin-bottom: 10px;
}

.recipe-tagline {
  font-size: 12px;
  color: var(--ink-secondary);
  max-width: 680px;
}

/* SVG Effort Chart */
.svg-demo-wrapper {
  border: 1px solid var(--hairline);
  padding: 24px;
  margin-bottom: 28px;
  background: var(--ground);
}

.svg-header-row {
  display: flex;
  justify-content: space-between;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
  color: var(--ink-secondary);
}

.legend-dot {
  display: inline-block;
  width: 8px;
  height: 2px;
  background: var(--accent-blue);
  margin-right: 4px;
  vertical-align: middle;
}

.effort-chart {
  width: 100%;
  height: 220px;
  display: block;
  overflow: visible;
}

.chart-grid-line {
  stroke: var(--hairline);
  stroke-width: 1;
}

.axis-line {
  stroke: var(--ink);
  stroke-width: 1;
}

.chart-axis-text {
  font-family: var(--font-mono);
  font-size: 10px;
  fill: var(--ink-muted);
}

.chart-marker-text {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  fill: var(--accent-blue);
  letter-spacing: 0.08em;
}

.chart-dot {
  fill: var(--ground);
  stroke: var(--accent-blue);
  stroke-width: 2;
}

/* Lazy Rules */
.lazy-rules-card {
  border: 1px solid var(--hairline);
  padding: 20px;
  margin-bottom: 28px;
  background: var(--ground);
}

.card-label {
  display: block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--accent-blue);
  margin-bottom: 12px;
}

.lazy-rules-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.lazy-rules-list li {
  position: relative;
  padding-left: 20px;
  font-size: 12px;
  color: var(--ink);
}

.lazy-rules-list li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--accent-blue);
}

/* Recipe Steps */
.recipe-steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.step-card {
  border: 1px solid var(--hairline);
  padding: 20px;
  background: var(--ground);
}

.step-num {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--accent-blue);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--hairline);
}

.step-body {
  font-size: 12px;
  line-height: 1.8;
  color: var(--ink);
}

/* ==========================================================================
   SECTION 04 / SINK DEBT PAGE
   ========================================================================== */
.sink-table-container {
  border: 1px solid var(--ink);
  overflow-x: auto;
  background: var(--ground-secondary);
}

.sloth-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 12px;
}

.sloth-table th {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  padding: 16px 20px;
  border-bottom: 1px solid var(--ink);
  background: var(--ground);
}

.sloth-table td {
  padding: 18px 20px;
  border-bottom: 1px solid var(--hairline);
  vertical-align: top;
}

.sloth-table tr:last-child td {
  border-bottom: none;
}

.td-key {
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--ink);
}

.td-bad {
  color: var(--ink-secondary);
  text-decoration: line-through;
  opacity: 0.7;
}

.td-good {
  color: var(--ink);
  font-weight: 700;
}

.td-delta {
  color: var(--accent-blue);
  font-weight: 700;
}

/* ==========================================================================
   SECTION 05 / SLEEPY AUDIO PAGE
   ========================================================================== */
.audio-card-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  border: 1px solid var(--ink);
  padding: 40px;
  background: var(--ground-secondary);
}

.audio-headline {
  font-size: clamp(26px, 3.2vw, 42px);
  line-height: 1.15;
  margin-bottom: 16px;
}

.audio-desc {
  font-size: 12px;
  color: var(--ink-secondary);
  margin-bottom: 28px;
}

.audio-controls-block {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}

.btn-audio {
  padding: 16px 28px;
}

.audio-status {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--accent-blue);
  border: 1px solid var(--accent-blue);
  padding: 4px 10px;
}

/* Waveform Simulation */
.audio-visualizer {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  height: 28px;
  padding: 4px 0;
}

.v-bar {
  width: 3px;
  height: 6px;
  background: var(--ink);
  transition: height 0.15s ease;
}

.audio-visualizer.playing .v-bar {
  animation: waveBar 1.2s infinite ease-in-out alternate;
}

.audio-visualizer.playing .v-bar:nth-child(2n) { animation-delay: 0.2s; }
.audio-visualizer.playing .v-bar:nth-child(3n) { animation-delay: 0.4s; }
.audio-visualizer.playing .v-bar:nth-child(4n) { animation-delay: 0.1s; }

@keyframes waveBar {
  0% { height: 4px; }
  100% { height: 26px; }
}

.transcript-box {
  border: 1px solid var(--hairline);
  padding: 24px;
  background: var(--ground);
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.transcript-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--accent-blue);
  margin-bottom: 16px;
  display: block;
}

.transcript-text {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.85;
  color: var(--ink);
  margin-bottom: 20px;
  border-left: 2px solid var(--accent-blue);
  padding-left: 16px;
  font-style: normal;
}

.transcript-footnote {
  font-size: 9px;
  color: var(--ink-muted);
  letter-spacing: 0.1em;
  padding-top: 12px;
  border-top: 1px dashed var(--hairline);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background: var(--ground);
  border-top: 1px solid var(--hairline);
  padding-top: 40px;
  overflow: hidden;
}

.footer-hairline-strip {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 40px 32px 40px;
  display: flex;
  justify-content: space-between;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--ink-muted);
}

/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-main-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .thesis-grid,
  .ingestion-grid,
  .audio-card-wrapper {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .thesis-col-left {
    padding-right: 0;
    border-right: none;
    border-bottom: 1px solid var(--hairline);
    padding-bottom: 32px;
  }
  .recipe-steps-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-container {
    padding: 0 20px;
  }
  .nav-links {
    display: none;
  }
  .page-container,
  .section-boundary {
    padding: 36px 20px;
  }
  .hero-main-grid {
    padding: 20px 20px 36px 20px;
  }
  .hero-telemetry-strip {
    grid-template-columns: 1fr 1fr;
  }
  .telemetry-cell:nth-child(2) {
    border-right: none;
  }
  .recipe-panel,
  .audio-card-wrapper {
    padding: 20px;
  }
  .footer-hairline-strip {
    flex-direction: column;
    gap: 12px;
    padding: 0 20px 24px 20px;
  }
}