/* ABOUTME: RMAI brand system and shared component styles for NorthLink AI.
   ABOUTME: Provides CSS custom properties, typography, layout, cards, animations, and responsive breakpoints. */

/* ── Google Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=Epilogue:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* ── CSS Custom Properties ── */
:root {
  /* Brand colours */
  --color-purple: #A77ACD;
  --color-purple-light: #F0EBF4;
  --color-black: #1A1B25;
  --color-slate-black: #555555;
  --color-orange: #F26541;
  --color-green: #22C55E;
  --color-green-light: #ecfdf5;
  --color-blue: #8D8D92;          /* deprecated — alias for slate gray */
  --color-yellow: #F59E0B;        /* deprecated — alias for warning amber */
  --color-slate-gray: #8D8D92;
  --color-off-white: #FAFAFA;
  --color-stone: #EDEBE8;
  --color-oat: #EDEBE8;           /* alias for --color-stone */
  --color-light-gray: #E8E8EB;

  /* Status colours */
  --color-success: #22C55E;
  --color-warning: #F59E0B;
  --color-danger: #EF4444;

  /* Chart palette */
  --chart-1: #A77ACD;
  --chart-2: #F26541;
  --chart-3: #22C55E;
  --chart-4: #8D8D92;
  --chart-5: #C4A0DB;
  --chart-6: #F79A83;

  /* Typography */
  --font-stack: 'Epilogue', Inter, 'SF Pro', 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  /* Breakpoints (for reference — used in media queries) */
  --bp-mobile: 768px;
  --bp-desktop: 1200px;

  /* Spacing */
  --radius: 12px;
  --radius-sm: 8px;
  --radius-pill: 100px;
}

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

body {
  margin: 0;
  font-family: var(--font-stack);
  font-size: 15px;
  font-weight: 400;
  line-height: 1.5;
  color: var(--color-black);
  background-color: var(--color-off-white);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--color-purple); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Typography ── */
h1, h2, h3 { margin: 0 0 0.5em; line-height: 1.2; }

h1 {
  font-size: 30px;
  font-weight: 700;
  color: var(--color-black);
}

h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-black);
}

h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--color-slate-black);
}

.subtitle {
  font-size: 17px;
  font-weight: 400;
  color: var(--color-slate-black);
  line-height: 1.6;
}

.stat-line {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-purple);
}

/* ── Header ── */
.site-header {
  background: var(--color-black);
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header .logo-area {
  display: flex;
  align-items: center;
  gap: 12px;
}

.site-header .logo-area img {
  height: 44px;
  width: auto;
}

.site-header .logo-link {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: inherit;
}

.site-header .logo-link:hover {
  text-decoration: none;
}

.site-header .logo-area .logo-text {
  color: #fff;
  font-weight: 600;
  font-size: 16px;
  white-space: nowrap;
}

/* ── Wordmark ── */
.wordmark {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.wordmark-name {
  font-size: 15px;
  letter-spacing: 0.3px;
  white-space: nowrap;
}

.wordmark-name .wm-rm {
  color: #fff;
  font-weight: 700;
}

.wordmark-name .wm-ai {
  color: var(--color-purple);
  font-weight: 500;
}

.wordmark-tagline {
  color: var(--color-slate-gray);
  font-size: 11px;
  font-weight: 400;
  font-style: italic;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.site-header .logo-area .event-tag {
  color: var(--color-purple);
  font-size: 12px;
  font-weight: 500;
  border: 1px solid var(--color-purple);
  border-radius: var(--radius-pill);
  padding: 2px 10px;
  white-space: nowrap;
}

.site-header nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.site-header nav a {
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: color 0.2s;
}

.site-header nav a:hover {
  color: var(--color-purple);
  text-decoration: none;
}

.site-header nav a.nav-cta {
  background: var(--color-purple);
  color: #fff;
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: background 0.2s;
}

.site-header nav a.nav-cta:hover {
  background: #9568b8;
}

/* ── Footer ── */
.site-footer {
  background: var(--color-black);
  padding: 48px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}

.site-footer .footer-text {
  color: #fff;
}

.site-footer .footer-text h2 {
  color: #fff;
  font-size: 20px;
  margin-bottom: 4px;
}

.site-footer .footer-text p {
  color: var(--color-slate-gray);
  font-size: 14px;
  margin: 0;
}

.site-footer .footer-actions {
  display: flex;
  gap: 12px;
  align-items: center;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  font-family: var(--font-stack);
  font-size: 14px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, transform 0.1s;
  text-decoration: none;
}

.btn:hover { text-decoration: none; }
.btn:active { transform: scale(0.97); }

.btn-primary {
  background: var(--color-purple);
  color: #fff;
}
.btn-primary:hover { background: #9568b8; }

.btn-outline {
  background: transparent;
  color: var(--color-slate-black);   /* readable on light surfaces; dark surfaces set color:#fff inline */
  border: 1px solid var(--color-slate-gray);
}
.btn-outline:hover { border-color: var(--color-purple); color: var(--color-purple); }

.btn-approve {
  background: var(--color-success);
  color: #fff;
}
.btn-approve:hover { background: #1aad4f; }

.btn-edit {
  background: var(--color-slate-gray);
  color: #fff;
}
.btn-edit:hover { background: #7a7a7f; }

.btn-reject {
  background: var(--color-danger);
  color: #fff;
}
.btn-reject:hover { background: #d63939; }

.btn-sm {
  padding: 6px 14px;
  font-size: 13px;
}

/* ── Cards ── */
.card {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--color-light-gray);
  padding: 24px;
  transition: box-shadow 0.25s, border-color 0.25s, transform 0.25s;
}

.card:hover {
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  border-color: var(--color-purple);
  transform: translateY(-2px);
}

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

/* ── Industry Grid ── */
.industry-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  padding: 0 32px;
  max-width: 1200px;
  margin: 0 auto;
}

.industry-card {
  text-align: center;
  padding: 32px 20px;
  cursor: pointer;
}

.industry-card .icon {
  font-size: 40px;
  margin-bottom: 12px;
}

.industry-card h3 {
  color: var(--color-black);
  margin-bottom: 8px;
}

.industry-card .keywords {
  font-size: 13px;
  color: var(--color-slate-gray);
  margin-bottom: 12px;
}

.industry-card .demo-count {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-purple);
}

/* ── Pain Point Cards ── */
.pain-cards {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.pain-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: #fff;
  border-radius: var(--radius);
  padding: 20px 24px;
  border: 1px solid var(--color-light-gray);
  border-left: 4px solid;
}

.pain-card.border-orange { border-left-color: var(--color-orange); }
.pain-card.border-blue   { border-left-color: var(--color-blue); }
.pain-card.border-green  { border-left-color: var(--color-green); }

.pain-card .pain-icon {
  font-size: 28px;
  flex-shrink: 0;
}

.pain-card h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}

.pain-card p {
  font-size: 14px;
  color: var(--color-slate-black);
  margin: 0;
}

a.pain-card {
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  transition: box-shadow 0.25s, transform 0.25s;
}

a.pain-card:hover {
  text-decoration: none;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  transform: translateY(-2px);
}

/* ── Demo Cards ── */
.demo-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.demo-card {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--color-light-gray);
  overflow: hidden;
  transition: box-shadow 0.25s, transform 0.25s;
  text-decoration: none;
  color: inherit;
  display: block;
}

.demo-card:hover {
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  transform: translateY(-2px);
  text-decoration: none;
}

.demo-card .demo-card-header {
  padding: 24px;
  text-align: center;
  position: relative;
}

.demo-card .demo-card-header .demo-icon {
  font-size: 36px;
  margin-bottom: 8px;
}

.demo-card .demo-card-header .demo-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: #fff;
  background: rgba(255,255,255,0.25);
  padding: 3px 10px;
  border-radius: var(--radius-pill);
}

.demo-card .demo-card-body {
  padding: 20px 24px 24px;
}

.demo-card .demo-card-body h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-black);
  margin-bottom: 8px;
}

.demo-card .demo-card-body p {
  font-size: 14px;
  color: var(--color-slate-black);
  margin: 0 0 12px;
}

.demo-card .demo-card-body .time-savings {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-purple);
}

.demo-card .demo-card-body .launch-link {
  display: inline-block;
  margin-top: 12px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-purple);
}

/* Demo card gradient headers */
.gradient-purple-orange { background: linear-gradient(135deg, var(--color-purple), var(--color-orange)); color: #fff; }
.gradient-purple-green  { background: linear-gradient(135deg, var(--color-purple), var(--color-green)); color: #fff; }
.gradient-orange-green  { background: linear-gradient(135deg, var(--color-orange), var(--color-green)); color: #fff; }

/* ── Accordion ── */
.accordion-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  background: #fff;
  border: 1px solid var(--color-light-gray);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 600;
  font-size: 15px;
  color: var(--color-black);
  transition: background 0.2s;
}

.accordion-header:hover {
  background: var(--color-off-white);
}

.accordion-header::after {
  content: '▸';
  font-size: 14px;
  color: var(--color-slate-gray);
  transition: transform 0.3s;
}

.accordion-header.active::after {
  transform: rotate(90deg);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 20px;
  background: #fff;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
}

.accordion-content.accordion-open {
  max-height: 600px;
  padding: 16px 20px;
  border: 1px solid var(--color-light-gray);
  border-top: none;
}

/* ── Status Pills ── */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
}

.pill-success { background: #dcfce7; color: #166534; }
.pill-warning { background: #fef3c7; color: #92400e; }
.pill-danger  { background: #fee2e2; color: #991b1b; }
.pill-neutral { background: var(--color-light-gray); color: var(--color-slate-black); }

/* ── Confidence Badge ── */
.confidence {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
}

.confidence-high   { background: #dcfce7; color: #166534; }
.confidence-medium { background: #fef3c7; color: #92400e; }
.confidence-low    { background: #fee2e2; color: #991b1b; }

/* ── Shimmer Animation ── */
@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.shimmer {
  position: relative;
}

.shimmer::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(167,122,205,0.15), transparent);
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out;
  border-radius: inherit;
  pointer-events: none;
}

/* ── Toast Notifications ── */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 1000;
}

.toast {
  padding: 14px 20px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  color: #fff;
  transform: translateX(120%);
  transition: transform 0.3s ease;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  max-width: 360px;
}

.toast-visible {
  transform: translateX(0);
}

.toast-success { background: var(--color-success); }
.toast-warning { background: var(--color-warning); color: #1A1B25; }
.toast-danger  { background: var(--color-danger); }
.toast-info    { background: var(--color-purple); }

/* ── Tables ── */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.data-table th {
  text-align: left;
  padding: 10px 12px;
  font-weight: 600;
  color: var(--color-slate-black);
  border-bottom: 2px solid var(--color-light-gray);
  background: var(--color-off-white);
}

.data-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--color-light-gray);
}

.data-table tr:nth-child(even) td {
  background: #FAFAFA;
}

/* ── Demo Top Bar ── */
.demo-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  background: #fff;
  border-bottom: 1px solid var(--color-light-gray);
  flex-wrap: wrap;
  gap: 12px;
}

.demo-topbar .breadcrumb {
  font-size: 13px;
  color: var(--color-slate-gray);
}

.demo-topbar .breadcrumb a {
  color: var(--color-purple);
}

.demo-topbar .demo-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-black);
}

.demo-topbar .demo-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

/* ── Hero ── */
.hero {
  text-align: center;
  padding: 64px 32px 48px;
  max-width: 800px;
  margin: 0 auto;
}

.hero .event-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--color-purple);
  border: 1px solid var(--color-purple);
  border-radius: var(--radius-pill);
  padding: 4px 16px;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: 36px;
  margin-bottom: 16px;
}

.hero .subtitle {
  max-width: 600px;
  margin: 0 auto;
}

/* ── Section containers ── */
.section {
  padding: 48px 32px;
  max-width: 1200px;
  margin: 0 auto;
}

.section-heading {
  text-align: center;
  margin-bottom: 32px;
}

/* ── Breadcrumb ── */
.breadcrumb-bar {
  padding: 16px 32px;
  font-size: 14px;
  color: var(--color-slate-gray);
  max-width: 1200px;
  margin: 0 auto;
}

.breadcrumb-bar a {
  color: var(--color-purple);
}

/* ── Industry Header ── */
.industry-header {
  padding: 32px 32px 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.industry-header .icon-title {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 12px;
}

.industry-header .icon-title .industry-icon {
  font-size: 48px;
}

.industry-header .intro {
  font-size: 16px;
  color: var(--color-slate-black);
  line-height: 1.6;
  margin-top: 12px;
}

/* ── Industry CTA ── */
.industry-cta {
  text-align: center;
  padding: 48px 32px;
  background: var(--color-oat);
  border-radius: var(--radius);
  margin: 48px 0;
}

.industry-cta h2 {
  margin-bottom: 12px;
}

.industry-cta p {
  color: var(--color-slate-black);
  margin-bottom: 24px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.industry-cta .cta-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ── Responsive ── */
@media (max-width: 1199px) {
  .industry-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .demo-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 767px) {
  .industry-grid {
    grid-template-columns: 1fr;
  }
  .demo-cards {
    grid-template-columns: 1fr;
  }
  .site-header {
    padding: 0 16px;
    gap: 8px;
  }
  .site-header nav {
    gap: 12px;
  }
  .site-header .logo-area .event-tag {
    display: none;
  }
  .site-footer {
    flex-direction: column;
    text-align: center;
  }
  .hero h1 {
    font-size: 26px;
  }
  .section {
    padding: 32px 16px;
  }
}

/* ── Overview Grid (Tier 1: industry use case tiles) ── */
.overview-intro {
  text-align: center;
  margin-bottom: 32px;
}

.overview-intro h2 {
  font-size: 24px;
  font-weight: 700;
  margin: 0 0 8px;
}

.overview-intro p {
  font-size: 15px;
  color: var(--color-slate-black);
  max-width: 600px;
  margin: 0 auto;
}

.overview-intro .click-hint {
  font-size: 13px;
  color: var(--color-slate-gray);
  margin-top: 6px;
}

.overview-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.overview-tile {
  background: #fff;
  border: 1px solid var(--color-light-gray);
  border-radius: var(--radius);
  padding: 20px 16px;
  text-align: center;
  transition: all 0.25s;
  cursor: pointer;
  position: relative;
  display: block;
  color: inherit;
}

.overview-tile:hover {
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  border-color: var(--color-purple);
  transform: translateY(-2px);
  text-decoration: none;
}

.overview-tile .tile-icon {
  font-size: 28px;
  margin-bottom: 8px;
}

.overview-tile h4 {
  font-size: 14px;
  font-weight: 600;
  margin: 0 0 4px;
  color: var(--color-black);
}

.overview-tile .tile-stat {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-purple);
}

.overview-tile .tile-desc {
  font-size: 12px;
  color: var(--color-slate-gray);
  margin-top: 4px;
}

.overview-tile.has-demo {
  border-color: var(--color-purple);
  background: linear-gradient(135deg, var(--color-off-white), #F0EBF4);
}

.overview-tile.has-demo::after {
  content: 'TRY LIVE DEMO';
  position: absolute;
  top: 8px;
  right: 8px;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.8px;
  background: var(--color-purple);
  color: #fff;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
}

.overview-grid .category-label {
  grid-column: 1 / -1;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-slate-black);
  padding: 8px 0 0;
  display: flex;
  align-items: center;
  gap: 12px;
}

.overview-grid .category-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-light-gray);
}

/* ── Deep Dive Cards (Tier 2: detailed use case descriptions) ── */
.deep-dive-intro {
  text-align: center;
  margin-bottom: 32px;
}

.deep-dive-intro h2 {
  font-size: 22px;
  font-weight: 700;
  margin: 0 0 8px;
}

.deep-dive-intro p {
  font-size: 15px;
  color: var(--color-slate-black);
  max-width: 560px;
  margin: 0 auto;
}

.category-section {
  margin-bottom: 36px;
}

.category-section h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-black);
  margin: 0 0 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.category-section h3 .cat-icon {
  font-size: 22px;
}

.category-section h3 .cat-line {
  flex: 1;
  height: 1px;
  background: var(--color-light-gray);
}

.use-case-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.use-case-card {
  background: #fff;
  border: 1px solid var(--color-light-gray);
  border-radius: var(--radius);
  padding: 20px;
  transition: all 0.4s;
  scroll-margin-top: 80px;
}

.use-case-card:hover {
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
  transform: translateY(-1px);
}

.use-case-card h4 {
  font-size: 15px;
  font-weight: 600;
  margin: 0 0 6px;
  color: var(--color-black);
}

.use-case-card .pain {
  font-size: 13px;
  color: var(--color-slate-gray);
  margin-bottom: 8px;
  font-style: italic;
}

.use-case-card .solution {
  font-size: 14px;
  color: var(--color-slate-black);
  margin-bottom: 10px;
  line-height: 1.5;
}

.use-case-card .roi-line {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
}

.roi-line .before {
  color: var(--color-danger);
  text-decoration: line-through;
}

.roi-line .arrow {
  color: var(--color-slate-gray);
}

.roi-line .after {
  color: var(--color-green);
}

@keyframes highlight-pulse {
  0%   { box-shadow: 0 0 0 0 rgba(167,122,205,0.4); }
  50%  { box-shadow: 0 0 0 8px rgba(167,122,205,0.15); }
  100% { box-shadow: 0 0 0 0 rgba(167,122,205,0); }
}

.use-case-card.highlighted {
  border-color: var(--color-purple);
  animation: highlight-pulse 1.2s ease-out;
}

.use-case-card.demo-card-special {
  border-color: var(--color-purple);
  position: relative;
}

.use-case-card.demo-card-special::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-purple), var(--color-orange));
  border-radius: var(--radius) var(--radius) 0 0;
}

.demo-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 10px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-purple);
  background: #F0EBF4;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
}

.demo-link:hover {
  text-decoration: none;
  background: #E5DDE9;
}

.demo-card-special .demo-link {
  position: absolute;
  top: 10px;
  right: 10px;
  margin-top: 0;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  background: var(--color-purple);
  color: #fff;
  padding: 4px 10px;
}

.demo-card-special .demo-link:hover {
  background: #9568b8;
}

/* ── Responsive: Overview Grid & Use Case Cards ── */
@media (max-width: 1199px) {
  .overview-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .use-case-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 767px) {
  .overview-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .use-case-cards {
    grid-template-columns: 1fr;
  }
}

/* ── Utility ── */
.text-purple { color: var(--color-purple); }
.text-center { text-align: center; }
.mt-0  { margin-top: 0; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mt-48 { margin-top: 48px; }
.mb-0  { margin-bottom: 0; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }

/* ── Human-in-the-loop controls ── */
.hitl-controls {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

/* ── Panel layouts for demos ── */
.demo-layout {
  display: flex;
  height: calc(100vh - 64px - 49px);
  overflow: hidden;
}

.demo-panel {
  overflow-y: auto;
  padding: 24px;
}

.demo-panel-border {
  border-right: 1px solid var(--color-light-gray);
}