/* I.F. Labs Design System */

:root {
  /* Colors */
  --color-ink: #111111;
  --color-paper: #F7F7F4;
  --color-paper-dark: #ECEDE8;
  --color-signal: #C8FF00;
  --color-data-blue: #2563EB;
  --color-alert-red: #E5484D;
  --color-border: #DCDDD8;
  --color-text-primary: #111111;
  --color-text-secondary: rgba(17, 17, 17, 0.6);
  --color-text-muted: rgba(17, 17, 17, 0.5);

  /* Fonts */
  --font-sans: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', Arial, sans-serif;
  --font-mono: 'IBM Plex Mono', 'JetBrains Mono', 'SFMono-Regular', Consolas, monospace;

  /* Spacing scale */
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 48px;
  --space-6: 64px;
  --space-7: 96px;
  --space-8: 128px;

  /* Layout */
  --max-width-wide: 1240px;
  --max-width-content: 720px;
  --max-width-table: 1100px;

  /* Border radius */
  --radius-base: 4px;

  /* Typography */
  --text-display: 56px;
  --text-h1: 42px;
  --text-h2: 28px;
  --text-h3: 20px;
  --text-body: 16px;
  --text-small: 13px;
  --text-mono: 12px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--text-body);
  line-height: 1.75;
  color: var(--color-text-primary);
  background-color: var(--color-paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6, p {
  margin: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  height: auto;
}

ul, ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

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

/* Layout utilities */
.container {
  width: 100%;
  max-width: var(--max-width-wide);
  margin: 0 auto;
  padding-left: var(--space-2);
  padding-right: var(--space-2);
}

@media (min-width: 768px) {
  .container {
    padding-left: var(--space-3);
    padding-right: var(--space-3);
  }
}

@media (min-width: 1024px) {
  .container {
    padding-left: 40px;
    padding-right: 40px;
  }
}

.content-narrow {
  max-width: var(--max-width-content);
  margin-left: auto;
  margin-right: auto;
}

.content-table {
  max-width: var(--max-width-table);
  margin-left: auto;
  margin-right: auto;
}

/* Page layout */
.page {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.page-main {
  flex: 1;
}

/* Section spacing */
.section {
  padding-top: var(--space-7);
  padding-bottom: var(--space-7);
}

@media (max-width: 767px) {
  .section {
    padding-top: var(--space-5);
    padding-bottom: var(--space-5);
  }
}

.section-sm {
  padding-top: var(--space-5);
  padding-bottom: var(--space-5);
}

/* Typography */
.text-display {
  font-size: var(--text-display);
  line-height: 1.12;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.text-h1 {
  font-size: var(--text-h1);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.text-h2 {
  font-size: var(--text-h2);
  line-height: 1.3;
  font-weight: 700;
}

.text-h3 {
  font-size: var(--text-h3);
  line-height: 1.4;
  font-weight: 600;
}

.text-body {
  font-size: var(--text-body);
  line-height: 1.75;
}

.text-small {
  font-size: var(--text-small);
  line-height: 1.5;
}

.text-mono {
  font-family: var(--font-mono);
  font-size: var(--text-mono);
  line-height: 1.45;
}

@media (max-width: 767px) {
  :root {
    --text-display: 38px;
    --text-h1: 32px;
    --text-h2: 24px;
    --text-h3: 18px;
  }
}

/* Section label */
.section-label {
  font-family: var(--font-mono);
  font-size: var(--text-mono);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-text-secondary);
}

/* Links */
.link {
  color: var(--color-text-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.link:hover {
  color: var(--color-data-blue);
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 500;
}

.link-arrow::after {
  content: '→';
  transition: transform 0.2s ease;
}

.link-arrow:hover::after {
  transform: translateX(3px);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  font-size: var(--text-body);
  font-weight: 500;
  border-radius: var(--radius-base);
  transition: all 0.2s ease;
  text-decoration: none;
}

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

.btn-primary:hover {
  background-color: rgba(17, 17, 17, 0.85);
}

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

.btn-signal:hover {
  background-color: #b8eb00;
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-ink);
  border: 1px solid var(--color-border);
}

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

.btn-text {
  padding: 0;
  color: var(--color-text-primary);
  font-weight: 500;
}

.btn-text:hover {
  color: var(--color-data-blue);
}

/* Cards */
.card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-base);
  padding: var(--space-3);
  background-color: var(--color-paper);
  transition: border-color 0.2s ease;
}

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

@media (max-width: 767px) {
  .card {
    padding: var(--space-2);
  }
}

/* Score block */
.score-block {
  display: flex;
  align-items: baseline;
  gap: var(--space-1);
}

.score-number {
  font-size: 48px;
  font-weight: 800;
  line-height: 1;
  color: var(--color-ink);
}

.score-max {
  font-family: var(--font-mono);
  font-size: var(--text-small);
  color: var(--color-text-secondary);
}

.score-label {
  font-family: var(--font-mono);
  font-size: var(--text-mono);
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

/* Recommendation badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-base);
}

.badge-recommend {
  background-color: var(--color-signal);
  color: var(--color-ink);
}

.badge-conditional {
  background-color: var(--color-paper-dark);
  color: var(--color-ink);
}

.badge-not-recommend {
  background-color: rgba(229, 72, 77, 0.1);
  color: var(--color-alert-red);
}

.badge-status {
  background-color: var(--color-paper-dark);
  color: var(--color-text-secondary);
}

/* Tags */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  font-size: var(--text-mono);
  font-family: var(--font-mono);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-base);
  transition: all 0.2s ease;
}

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

/* Conclusion blocks */
.conclusion {
  padding: var(--space-3);
  border-left: 4px solid var(--color-border);
  background-color: var(--color-paper-dark);
}

.conclusion-positive {
  border-left-color: var(--color-signal);
  background-color: rgba(200, 255, 0, 0.08);
}

.conclusion-caution {
  border-left-color: var(--color-border);
  background-color: var(--color-paper-dark);
}

.conclusion-negative {
  border-left-color: var(--color-alert-red);
  background-color: rgba(229, 72, 77, 0.05);
}

/* Tables */
.table-wrapper {
  overflow-x: auto;
  margin: var(--space-3) 0;
}

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

.table th,
.table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.table th {
  font-weight: 600;
  font-family: var(--font-mono);
  font-size: var(--text-small);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-secondary);
  background-color: var(--color-paper-dark);
}

.table tr:hover td {
  background-color: var(--color-paper-dark);
}

/* Metadata rows */
.metadata-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2) var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-mono);
  color: var(--color-text-secondary);
}

.metadata-row span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* Filter chips */
.filter-chip {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  font-size: var(--text-small);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-base);
  transition: all 0.2s ease;
  cursor: pointer;
}

.filter-chip:hover,
.filter-chip.active {
  border-color: var(--color-ink);
  color: var(--color-ink);
}

.filter-chip.active {
  background-color: var(--color-ink);
  color: var(--color-paper);
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: var(--color-paper);
  border-bottom: 1px solid var(--color-border);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}

@media (min-width: 768px) {
  .navbar-inner {
    height: 64px;
  }
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.02em;
}

.navbar-logo-mark {
  background-color: var(--color-ink);
  color: var(--color-paper);
  padding: 2px 6px;
  border-radius: var(--radius-base);
  font-size: 14px;
}

.navbar-logo-img {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
  display: block;
}

.navbar-links {
  display: none;
  align-items: center;
  gap: 4px;
}

@media (min-width: 768px) {
  .navbar-links {
    display: flex;
  }
}

.navbar-link {
  position: relative;
  padding: 8px 12px;
  font-size: var(--text-body);
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: color 0.2s ease;
}

.navbar-link:hover,
.navbar-link.active {
  color: var(--color-text-primary);
}

.navbar-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 12px;
  right: 12px;
  height: 2px;
  background-color: var(--color-signal);
}

.navbar-status {
  margin-left: 4px;
  font-family: var(--font-mono);
  font-size: 9px;
  vertical-align: super;
  color: var(--color-text-secondary);
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.navbar-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  color: var(--color-text-secondary);
  transition: color 0.2s ease;
}

.navbar-icon:hover {
  color: var(--color-text-primary);
}

.navbar-menu-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  color: var(--color-text-secondary);
}

@media (min-width: 768px) {
  .navbar-menu-btn {
    display: none;
  }
}

.mobile-menu {
  display: none;
  border-top: 1px solid var(--color-border);
  padding: var(--space-2) 0;
}

.mobile-menu.open {
  display: block;
}

.mobile-menu a {
  display: block;
  padding: 10px var(--space-2);
  font-weight: 500;
  color: var(--color-text-secondary);
  border-radius: var(--radius-base);
}

.mobile-menu a:hover {
  background-color: var(--color-paper-dark);
  color: var(--color-text-primary);
}

/* Footer */
.footer {
  border-top: 1px solid var(--color-border);
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  padding-top: var(--space-6);
  padding-bottom: var(--space-6);
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-5);
  }
}

.footer-brand {
  grid-column: span 2;
}

@media (min-width: 768px) {
  .footer-brand {
    grid-column: span 1;
  }
}

.footer-heading {
  font-family: var(--font-mono);
  font-size: var(--text-mono);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: var(--text-small);
  color: var(--color-text-secondary);
}

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

.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-3) 0;
  border-top: 1px solid var(--color-border);
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.footer-social {
  display: flex;
  gap: var(--space-3);
}

.footer-social a {
  font-size: var(--text-mono);
  color: var(--color-text-muted);
}

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

/* Hero */
.hero {
  padding-top: var(--space-7);
  padding-bottom: var(--space-7);
  border-bottom: 1px solid var(--color-border);
}

.hero-grid {
  display: grid;
  gap: var(--space-5);
}

@media (min-width: 1024px) {
  .hero-grid {
    grid-template-columns: 7fr 5fr;
    gap: var(--space-6);
  }
}

.hero-label {
  font-family: var(--font-mono);
  font-size: var(--text-mono);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-3);
}

.hero-title {
  margin-bottom: var(--space-3);
}

.hero-description {
  font-size: 18px;
  line-height: 1.6;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
  max-width: 560px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* Featured finding panel */
.featured-panel {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-base);
  padding: var(--space-3);
}

@media (min-width: 768px) {
  .featured-panel {
    padding: var(--space-4);
  }
}

.featured-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-3);
}

.featured-panel-score {
  text-align: right;
}

.featured-panel-title {
  font-size: 20px;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: var(--space-2);
}

.featured-panel-conclusion {
  padding: var(--space-2);
  background-color: var(--color-signal);
  color: var(--color-ink);
  border-radius: var(--radius-base);
  font-weight: 500;
  margin-bottom: var(--space-3);
}

/* Proof strip */
.proof-strip {
  border-bottom: 1px solid var(--color-border);
  background-color: var(--color-paper-dark);
}

.proof-strip-inner {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
  padding-top: var(--space-3);
  padding-bottom: var(--space-3);
}

@media (min-width: 768px) {
  .proof-strip-inner {
    grid-template-columns: repeat(4, 1fr);
  }
}

.proof-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.proof-item-value {
  font-family: var(--font-mono);
  font-size: var(--text-h3);
  font-weight: 700;
  color: var(--color-ink);
}

.proof-item-label {
  font-size: var(--text-small);
  color: var(--color-text-secondary);
}

/* Content grids */
.content-grid {
  display: grid;
  gap: var(--space-3);
}

@media (min-width: 768px) {
  .content-grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .content-grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 768px) {
  .content-grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .content-grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Review card */
.review-card {
  display: flex;
  flex-direction: column;
  min-height: 320px;
}

.review-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-3);
}

.review-card-tool {
  font-family: var(--font-mono);
  font-size: var(--text-mono);
  color: var(--color-text-secondary);
}

.review-card-title {
  font-size: 20px;
  font-weight: 600;
  line-height: 1.35;
  margin-bottom: var(--space-2);
}

.review-card-summary {
  font-size: var(--text-small);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-3);
  flex: 1;
}

.review-card-footer {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin-top: auto;
}

/* Guide card */
.guide-card {
  display: flex;
  flex-direction: column;
}

.guide-card-steps {
  font-family: var(--font-mono);
  font-size: var(--text-mono);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
}

.guide-card-title {
  font-size: 20px;
  font-weight: 600;
  line-height: 1.35;
  margin-bottom: var(--space-2);
}

.guide-card-result {
  font-size: var(--text-small);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-3);
  flex: 1;
}

.guide-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  font-size: var(--text-mono);
  font-family: var(--font-mono);
  color: var(--color-text-secondary);
}

/* Scenario grid */
.scenario-grid {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--color-border);
  border-left: 1px solid var(--color-border);
}

@media (min-width: 768px) {
  .scenario-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .scenario-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.scenario-item {
  padding: var(--space-3);
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  transition: background-color 0.2s ease;
}

.scenario-item:hover {
  background-color: var(--color-paper-dark);
}

.scenario-item-number {
  font-family: var(--font-mono);
  font-size: var(--text-h2);
  font-weight: 700;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-1);
}

.scenario-item-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 6px;
}

.scenario-item-desc {
  font-size: var(--text-small);
  color: var(--color-text-secondary);
  line-height: 1.5;
}

/* Future product cards */
.product-card {
  padding: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-base);
}

.product-card-status {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
}

.product-card-title {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: var(--space-1);
}

.product-card-desc {
  font-size: var(--text-small);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-3);
}

/* Trust section */
.trust-section {
  background-color: var(--color-paper-dark);
}

.trust-grid {
  display: grid;
  gap: var(--space-4);
}

@media (min-width: 768px) {
  .trust-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.trust-item-number {
  font-family: var(--font-mono);
  font-size: var(--text-h3);
  font-weight: 700;
  margin-bottom: var(--space-1);
}

.trust-item-title {
  font-size: var(--text-h3);
  font-weight: 600;
  margin-bottom: var(--space-1);
}

.trust-item-desc {
  font-size: var(--text-small);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* Newsletter */
.newsletter-section {
  background-color: var(--color-ink);
  color: var(--color-paper);
}

.newsletter-grid {
  display: grid;
  gap: var(--space-4);
  align-items: center;
}

@media (min-width: 768px) {
  .newsletter-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.newsletter-title {
  color: var(--color-paper);
  margin-bottom: var(--space-2);
}

.newsletter-desc {
  color: rgba(247, 247, 244, 0.7);
  margin-bottom: var(--space-3);
}

.newsletter-form {
  display: flex;
  gap: var(--space-1);
}

.newsletter-input {
  flex: 1;
  padding: 12px 16px;
  background-color: rgba(247, 247, 244, 0.1);
  border: 1px solid rgba(247, 247, 244, 0.2);
  border-radius: var(--radius-base);
  color: var(--color-paper);
  font-size: var(--text-body);
}

.newsletter-input::placeholder {
  color: rgba(247, 247, 244, 0.5);
}

.newsletter-input:focus {
  outline: none;
  border-color: var(--color-signal);
}

/* Archive pages */
.archive-header {
  padding-top: var(--space-6);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--color-border);
}

.archive-title {
  margin-bottom: var(--space-2);
}

.archive-description {
  font-size: 18px;
  color: var(--color-text-secondary);
  max-width: 640px;
}

.archive-stats {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-small);
  color: var(--color-text-secondary);
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  padding-top: var(--space-3);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border);
}

/* Detail pages */
.detail-header {
  padding-top: var(--space-6);
  padding-bottom: var(--space-5);
}

.detail-breadcrumb {
  font-family: var(--font-mono);
  font-size: var(--text-mono);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-3);
}

.detail-breadcrumb a:hover {
  text-decoration: underline;
}

.detail-title {
  margin-bottom: var(--space-3);
}

.detail-summary {
  font-size: 18px;
  line-height: 1.6;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
}

.detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-4);
  margin-bottom: var(--space-4);
}

.detail-score-box {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-base);
}

.detail-score-box .score-number {
  font-size: 36px;
}

/* Article content */
.article-content {
  padding-bottom: var(--space-6);
}

.article-content h2 {
  font-size: var(--text-h2);
  font-weight: 700;
  margin-top: var(--space-6);
  margin-bottom: var(--space-3);
}

.article-content h3 {
  font-size: var(--text-h3);
  font-weight: 600;
  margin-top: var(--space-4);
  margin-bottom: var(--space-2);
}

.article-content p {
  margin-bottom: var(--space-3);
  color: var(--color-text-primary);
}

.article-content ul,
.article-content ol {
  margin-bottom: var(--space-3);
  padding-left: var(--space-3);
}

.article-content ul {
  list-style: disc;
}

.article-content ol {
  list-style: decimal;
}

.article-content li {
  margin-bottom: 8px;
}

.article-content strong {
  font-weight: 600;
}

.article-content blockquote {
  margin: var(--space-3) 0;
  padding: var(--space-3);
  border-left: 4px solid var(--color-border);
  background-color: var(--color-paper-dark);
  font-style: italic;
}

.article-content code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background-color: var(--color-paper-dark);
  padding: 2px 6px;
  border-radius: 3px;
}

.article-content pre {
  background-color: var(--color-ink);
  color: var(--color-paper);
  padding: var(--space-3);
  border-radius: var(--radius-base);
  overflow-x: auto;
  margin-bottom: var(--space-3);
}

.article-content pre code {
  background: none;
  padding: 0;
}

/* Steps */
.step {
  display: grid;
  gap: var(--space-2);
  padding-left: var(--space-4);
  border-left: 2px solid var(--color-border);
  margin-bottom: var(--space-4);
}

.step-number {
  font-family: var(--font-mono);
  font-size: var(--text-mono);
  color: var(--color-text-secondary);
}

.step-title {
  font-size: var(--text-h3);
  font-weight: 600;
}

.step-purpose {
  font-size: var(--text-small);
  color: var(--color-text-secondary);
}

/* Page header sections */
.page-header {
  border-bottom: 1px solid var(--color-border);
}

/* Search */
.search-input {
  width: 100%;
  padding: 14px 18px;
  font-size: 18px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-base);
  background-color: var(--color-paper);
  color: var(--color-ink);
}

.search-input:focus {
  outline: none;
  border-color: var(--color-ink);
}

.search-results {
  margin-top: var(--space-4);
}

.search-result {
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border);
}

.search-result-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 6px;
}

.search-result-desc {
  font-size: var(--text-small);
  color: var(--color-text-secondary);
}

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

.text-center {
  text-align: center;
}

.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-5 { margin-bottom: var(--space-5); }

/* Dark sections */
.bg-ink {
  background-color: var(--color-ink);
  color: var(--color-paper);
}

.bg-ink .text-h1,
.bg-ink .text-h2,
.bg-ink .text-h3 {
  color: var(--color-paper);
}

.bg-ink p {
  color: rgba(247, 247, 244, 0.8);
}

/* Responsive adjustments */
@media (max-width: 767px) {
  .hero-actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .newsletter-form {
    flex-direction: column;
  }

  .detail-score-box {
    width: 100%;
    justify-content: space-between;
  }
}

/* Packages & Market */
.packages-hero {
  background-color: var(--color-ink);
  color: var(--color-paper);
  padding-top: var(--space-7);
  padding-bottom: var(--space-7);
}

.packages-hero .text-display,
.packages-hero .text-h1 {
  color: var(--color-paper);
}

.packages-hero-description {
  font-size: 18px;
  line-height: 1.6;
  color: rgba(247, 247, 244, 0.7);
  max-width: 560px;
  margin-bottom: var(--space-4);
}

.packages-layout {
  display: grid;
  gap: var(--space-5);
}

@media (min-width: 1024px) {
  .packages-layout {
    grid-template-columns: 1fr 360px;
  }
}

.package-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-base);
  padding: var(--space-3);
  background-color: var(--color-paper);
  transition: border-color 0.2s ease;
}

.package-card:hover {
  border-color: var(--color-ink);
}

.package-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-2);
}

.package-card-number {
  font-family: var(--font-mono);
  font-size: var(--text-mono);
  font-weight: 700;
  color: var(--color-text-secondary);
}

.package-card-title {
  font-size: 20px;
  font-weight: 600;
  line-height: 1.35;
  margin-bottom: 6px;
}

.package-card-problem {
  font-size: var(--text-small);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-2);
  flex: 1;
}

.package-card-goal {
  font-size: var(--text-small);
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

.package-card-footer {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  align-items: center;
  margin-top: auto;
}

.package-card-risk {
  font-size: var(--text-mono);
  color: var(--color-alert-red);
  margin-top: var(--space-2);
  padding-top: var(--space-2);
  border-top: 1px solid var(--color-border);
}

.package-card-cta,
.market-card-cta {
  margin-top: var(--space-3);
  width: 100%;
  text-align: center;
  justify-content: center;
}

.cost-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-base);
}

.cost-free {
  background-color: var(--color-signal);
  color: var(--color-ink);
}

.cost-low {
  background-color: rgba(200, 255, 0, 0.6);
  color: var(--color-ink);
}

.cost-medium {
  background-color: var(--color-paper-dark);
  color: var(--color-ink);
}

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

/* Assistant panel */
.assistant-panel {
  border: 1px solid rgba(247, 247, 244, 0.2);
  border-radius: var(--radius-base);
  padding: var(--space-4);
  background-color: rgba(247, 247, 244, 0.05);
  color: var(--color-paper);
}

.assistant-panel-title {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--color-paper);
}

.assistant-panel-desc {
  font-size: var(--text-small);
  color: rgba(247, 247, 244, 0.7);
  margin-bottom: var(--space-3);
}

.assistant-input {
  width: 100%;
  padding: 12px 14px;
  background-color: rgba(247, 247, 244, 0.1);
  border: 1px solid rgba(247, 247, 244, 0.2);
  border-radius: var(--radius-base);
  color: var(--color-paper);
  font-size: var(--text-body);
  margin-bottom: var(--space-2);
}

.assistant-input::placeholder {
  color: rgba(247, 247, 244, 0.5);
}

.assistant-input:focus {
  outline: none;
  border-color: var(--color-signal);
}

.assistant-textarea {
  min-height: 100px;
  resize: vertical;
}

/* Modal */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 100;
  background-color: rgba(17, 17, 17, 0.85);
  align-items: center;
  justify-content: center;
  padding: var(--space-2);
}

.modal-overlay.open {
  display: flex;
}

.modal {
  width: 100%;
  max-width: 900px;
  max-height: 90vh;
  background-color: var(--color-paper);
  border-radius: var(--radius-base);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-3);
  border-bottom: 1px solid var(--color-border);
}

.modal-title {
  font-size: var(--text-h2);
  font-weight: 700;
}

.modal-close {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
}

.modal-close:hover {
  color: var(--color-ink);
}

.modal-body {
  overflow-y: auto;
  padding: var(--space-3);
}

.modal-grid {
  display: grid;
  gap: var(--space-4);
}

@media (min-width: 768px) {
  .modal-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.modal-output {
  background-color: var(--color-paper-dark);
  border-radius: var(--radius-base);
  padding: var(--space-3);
}

.modal-output-title {
  font-size: var(--text-h3);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

/* Prompt block */
.prompt-block {
  background-color: var(--color-paper-dark);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-base);
  padding: var(--space-3);
  margin: var(--space-3) 0;
  position: relative;
}

.prompt-block pre {
  margin: 0;
  background: none;
  color: var(--color-ink);
  padding: 0;
  font-family: var(--font-mono);
  font-size: var(--text-small);
  line-height: 1.6;
  white-space: pre-wrap;
}

.prompt-copy {
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
  padding: 6px 12px;
  font-size: var(--text-mono);
  background-color: var(--color-ink);
  color: var(--color-paper);
  border-radius: var(--radius-base);
}

.prompt-copy:hover {
  background-color: rgba(17, 17, 17, 0.85);
}

/* Risk block */
.risk-block {
  padding: var(--space-3);
  border-left: 4px solid var(--color-alert-red);
  background-color: rgba(229, 72, 77, 0.05);
  margin: var(--space-3) 0;
}

.risk-block-title {
  font-weight: 600;
  color: var(--color-alert-red);
  margin-bottom: var(--space-1);
}

/* Recommendation block */
.recommendation-block {
  padding: var(--space-3);
  background-color: var(--color-signal);
  color: var(--color-ink);
  border-radius: var(--radius-base);
  font-weight: 600;
  margin: var(--space-3) 0;
}

/* Market cards */
.market-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-base);
  padding: var(--space-3);
  background-color: var(--color-paper);
}

.market-card-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}

.market-card-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--color-ink);
  color: var(--color-paper);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
}

.market-card-author {
  font-size: var(--text-small);
  font-weight: 600;
}

.market-card-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 6px;
}

.market-card-problem {
  font-size: var(--text-small);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-2);
  flex: 1;
}

.market-card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-2);
  padding-top: var(--space-2);
  border-top: 1px solid var(--color-border);
  font-size: var(--text-small);
  color: var(--color-text-secondary);
}

.market-card-actions button {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--color-text-secondary);
  white-space: nowrap;
}

.market-card-actions button:hover {
  color: var(--color-ink);
}

.market-card-actions button.is-active {
  color: var(--color-data-blue);
}

/* Leaderboard */
.leaderboard {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-base);
  padding: var(--space-3);
}

.leaderboard-title {
  font-size: var(--text-h3);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.leaderboard-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border);
}

.leaderboard-item:last-child {
  border-bottom: none;
}

/* Package detail enhancements */
.package-detail-hero {
  background-color: var(--color-ink);
  color: var(--color-paper);
  padding-top: var(--space-7);
  padding-bottom: var(--space-6);
}

.package-detail-hero .detail-title {
  color: var(--color-paper);
}

.package-detail-subtitle {
  font-size: 18px;
  line-height: 1.6;
  color: rgba(247, 247, 244, 0.75);
  max-width: 720px;
}

.package-detail-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-small);
  color: rgba(247, 247, 244, 0.7);
}

.tool-choice-grid {
  display: grid;
  gap: var(--space-3);
  margin: var(--space-3) 0;
}

@media (min-width: 640px) {
  .tool-choice-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.tool-choice-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-base);
  padding: var(--space-3);
  background-color: var(--color-paper);
}

.tool-choice-label {
  font-family: var(--font-mono);
  font-size: var(--text-mono);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-2);
}

.tool-choice-value .tool-choice-label {
  color: var(--color-ink);
}

.tool-choice-top .tool-choice-label {
  color: var(--color-ink);
}

.workflow-steps {
  list-style: none;
  padding: 0;
  margin: var(--space-3) 0;
  counter-reset: workflow-step;
}

.workflow-step {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border);
  font-size: var(--text-body);
  line-height: 1.6;
}

.workflow-step:last-child {
  border-bottom: none;
}

.workflow-step-num {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-ink);
  color: var(--color-paper);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  border-radius: var(--radius-base);
}

/* Package card clickable via JS */
.package-card {
  cursor: pointer;
}

.package-card-title a {
  position: relative;
  z-index: 1;
}

/* Tab button reset */
button.tab-link {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  font-family: inherit;
}

button.tab-link:hover,
button.tab-link.active {
  border-bottom-color: var(--color-signal);
}

.leaderboard-rank {
  font-family: var(--font-mono);
  font-size: var(--text-h3);
  font-weight: 700;
  min-width: 28px;
}

.leaderboard-info {
  flex: 1;
}

.leaderboard-name {
  font-weight: 600;
  font-size: var(--text-small);
}

.leaderboard-meta {
  font-size: var(--text-mono);
  color: var(--color-text-secondary);
}

.leaderboard-heat {
  font-family: var(--font-mono);
  font-size: var(--text-mono);
  color: var(--color-signal);
  background-color: var(--color-ink);
  padding: 2px 8px;
  border-radius: var(--radius-base);
}

/* Submit form */
.form-group {
  margin-bottom: var(--space-3);
}

.form-label {
  display: block;
  font-size: var(--text-small);
  font-weight: 600;
  margin-bottom: 8px;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-base);
  background-color: var(--color-paper);
  color: var(--color-ink);
  font-size: var(--text-body);
  font-family: inherit;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-ink);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.form-hint {
  font-size: var(--text-mono);
  color: var(--color-text-muted);
  margin-top: 4px;
}

/* Package detail */
.package-detail-hero {
  background-color: var(--color-ink);
  color: var(--color-paper);
  padding-top: var(--space-6);
  padding-bottom: var(--space-5);
}

.package-detail-hero .text-display,
.package-detail-hero .text-h1 {
  color: var(--color-paper);
}

.package-detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-mono);
  color: rgba(247, 247, 244, 0.7);
  margin-bottom: var(--space-3);
}

.package-detail-subtitle {
  font-size: 18px;
  color: rgba(247, 247, 244, 0.7);
  max-width: 640px;
}

/* Tabs */
.tab-nav {
  display: flex;
  gap: var(--space-1);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-4);
}

.tab-link {
  padding: 10px 16px;
  font-weight: 500;
  color: var(--color-text-secondary);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}

.tab-link:hover,
.tab-link.active {
  color: var(--color-ink);
  border-bottom-color: var(--color-signal);
}

/* Market header */
.market-header {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

@media (min-width: 768px) {
  .market-header {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

/* =========================================================
   3D Carousel & Card Wall - Home page cinematic displays
   ========================================================= */

/* Hero 3D carousel */
.hero-3d-carousel {
  position: relative;
  width: 100%;
  min-height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-3d-stage {
  position: relative;
  width: 100%;
  max-width: 420px;
  min-height: 320px;
}

.hero-3d-card {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  flex-direction: column;
  padding: var(--space-3);
  background: linear-gradient(145deg, var(--color-paper) 0%, var(--color-paper-dark) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-base);
  box-shadow:
    0 12px 32px rgba(17, 17, 17, 0.08),
    0 4px 10px rgba(17, 17, 17, 0.04),
    inset 0 1px 0 rgba(255, 255, 255, 0.5);
  opacity: 0;
  transform: translateX(24px) scale(0.96);
  transition: opacity 0.55s cubic-bezier(0.23, 1, 0.32, 1),
              transform 0.55s cubic-bezier(0.23, 1, 0.32, 1);
  pointer-events: none;
  cursor: pointer;
}

.hero-3d-card.active {
  opacity: 1;
  transform: translateX(0) scale(1);
  pointer-events: auto;
  z-index: 2;
}

.hero-3d-card.prev {
  transform: translateX(-24px) scale(0.96);
}

.hero-3d-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-signal) 0%, var(--color-ink) 100%);
  border-radius: var(--radius-base) var(--radius-base) 0 0;
  opacity: 0.85;
}

.hero-3d-card-link {
  position: absolute;
  inset: 0;
  z-index: 2;
  border-radius: var(--radius-base);
}

.hero-3d-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}

.hero-3d-card-tool {
  font-family: var(--font-mono);
  font-size: var(--text-mono);
  color: var(--color-text-secondary);
}

.hero-3d-card-title {
  font-size: 20px;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: var(--space-2);
}

.hero-3d-card-summary {
  font-size: var(--text-small);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-3);
  flex: 1;
}

.hero-3d-card-score {
  margin-bottom: var(--space-3);
}

.hero-3d-card-score .score-number {
  font-size: 48px;
}

.hero-3d-card-footer {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin-top: auto;
}

.hero-3d-dots {
  position: absolute;
  bottom: -28px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 10;
}

.hero-3d-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-border);
  border: none;
  padding: 0;
  cursor: pointer;
  transition: all 0.3s ease;
}

.hero-3d-dot.active,
.hero-3d-dot:hover {
  background-color: var(--color-ink);
  transform: scale(1.2);
}

@media (max-width: 767px) {
  .hero-3d-carousel {
    min-height: 300px;
    margin-top: var(--space-4);
  }

  .hero-3d-stage {
    min-height: 300px;
  }

  .hero-3d-card-title {
    font-size: 18px;
  }

  .hero-3d-card-score .score-number {
    font-size: 40px;
  }
}

/* 3D Wall sections */
.wall-3d-section {
  overflow: hidden;
}

.wall-3d-viewport {
  position: relative;
  width: 100%;
  padding: var(--space-4) 0;
  perspective: 1400px;
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent 0%, black 8%, black 92%, transparent 100%);
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, black 8%, black 92%, transparent 100%);
}

.wall-3d-viewport::before,
.wall-3d-viewport::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 120px;
  z-index: 2;
  pointer-events: none;
}

.wall-3d-viewport::before {
  left: 0;
  background: linear-gradient(90deg, var(--color-paper) 0%, transparent 100%);
}

.wall-3d-viewport::after {
  right: 0;
  background: linear-gradient(270deg, var(--color-paper) 0%, transparent 100%);
}

.wall-3d-section[style*="paper-dark"] .wall-3d-viewport::before {
  background: linear-gradient(90deg, var(--color-paper-dark) 0%, transparent 100%);
}

.wall-3d-section[style*="paper-dark"] .wall-3d-viewport::after {
  background: linear-gradient(270deg, var(--color-paper-dark) 0%, transparent 100%);
}

.wall-3d-track {
  display: flex;
  gap: var(--space-3);
  width: max-content;
  transform-style: preserve-3d;
  animation: wall-scroll-left 45s linear infinite;
}

.wall-3d-track[data-direction="reverse"] {
  animation: wall-scroll-right 45s linear infinite;
  transform: translateX(-50%);
}

.wall-3d-viewport:hover .wall-3d-track {
  animation-play-state: paused;
}

@keyframes wall-scroll-left {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

@keyframes wall-scroll-right {
  0% {
    transform: translateX(-50%);
  }
  100% {
    transform: translateX(0);
  }
}

.wall-3d-card {
  position: relative;
  flex: 0 0 360px;
  min-height: 260px;
  display: flex;
  flex-direction: column;
  padding: var(--space-3);
  background: linear-gradient(145deg, var(--color-paper) 0%, #ffffff 50%, var(--color-paper-dark) 100%);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  box-shadow:
    0 16px 40px rgba(17, 17, 17, 0.08),
    0 4px 12px rgba(17, 17, 17, 0.04);
  transform: rotateY(-12deg) translateZ(-20px) scale(0.96);
  transform-origin: center center;
  transition: transform 0.45s cubic-bezier(0.23, 1, 0.32, 1), box-shadow 0.45s ease, border-color 0.3s ease;
  cursor: pointer;
}

.wall-3d-card:nth-child(even) {
  transform: rotateY(8deg) translateZ(-10px) scale(0.96);
}

.wall-3d-card:hover {
  transform: rotateY(0deg) translateZ(40px) scale(1.02);
  box-shadow:
    0 30px 70px rgba(17, 17, 17, 0.14),
    0 10px 24px rgba(17, 17, 17, 0.08);
  border-color: var(--color-ink);
  z-index: 5;
}

.wall-3d-card-link {
  position: absolute;
  inset: 0;
  z-index: 2;
  border-radius: 12px;
}

.wall-3d-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}

.wall-3d-card-tool {
  font-family: var(--font-mono);
  font-size: var(--text-mono);
  color: var(--color-text-secondary);
}

.wall-3d-card-title {
  font-size: 19px;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: var(--space-2);
}

.wall-3d-card-summary {
  font-size: var(--text-small);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-3);
  flex: 1;
}

.wall-3d-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-2);
  margin-top: auto;
  padding-top: var(--space-2);
  border-top: 1px solid var(--color-border);
}

.wall-3d-card-score {
  font-family: var(--font-mono);
  font-size: var(--text-small);
  color: var(--color-text-secondary);
}

.wall-3d-card-score strong {
  font-size: 18px;
  color: var(--color-ink);
}

.wall-3d-card-result {
  font-size: var(--text-small);
  color: var(--color-text-secondary);
  font-weight: 500;
}

.wall-3d-card-guide::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-signal) 0%, rgba(17, 17, 17, 0.85) 100%);
  border-radius: 12px 12px 0 0;
  opacity: 0.9;
}

.wall-3d-card-review::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-ink) 0%, rgba(17, 17, 17, 0.45) 100%);
  border-radius: 12px 12px 0 0;
  opacity: 0.9;
}

@media (max-width: 767px) {
  .wall-3d-card {
    flex: 0 0 300px;
    min-height: 240px;
    transform: rotateY(-6deg) translateZ(-10px) scale(0.98);
  }

  .wall-3d-track {
    animation-duration: 35s;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .hero-3d-stage,
  .wall-3d-track {
    animation: none !important;
    transition: none !important;
  }

  .wall-3d-track {
    transform: none !important;
  }
}