/* ============================================================
   AI Tools Catalog — Styles
   Modern, clean, AiRISE-inspired design with persona support.
   ============================================================ */

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

:root {
  /* Neutral palette with depth */
  --color-bg: #f5f6f8;
  --color-surface: #ffffff;
  --color-text: #111827;
  --color-text-secondary: #4b5563;
  --color-text-muted: #9ca3af;
  --color-border: #e5e7eb;
  --color-border-light: #f0f1f3;
  --color-accent: #4f46e5;
  --color-accent-hover: #4338ca;
  --color-accent-light: #eef2ff;
  --color-accent-subtle: #f5f3ff;

  /* Persona colors */
  --persona-developer: #3b82f6;
  --persona-qa: #10b981;
  --persona-architect: #8b5cf6;
  --persona-po: #f59e0b;
  --persona-stakeholder: #ef4444;
  --persona-data: #06b6d4;
  --persona-designer: #ec4899;
  --persona-devops: #f97316;

  /* Tag category colors */
  --tag-bg: #f3f4f6;
  --tag-text: #6b7280;

  --font-sans: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  --radius: 10px;
  --radius-lg: 16px;
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.1);
  --transition: 0.2s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ---------- Container ---------- */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Site Nav ---------- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  padding: 0 24px;
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 50px;
}
.nav-brand {
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--color-accent);
  text-decoration: none;
  letter-spacing: -0.02em;
}
.nav-links {
  display: flex;
  gap: 28px;
}
.nav-links a {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition);
  position: relative;
}
.nav-links a:hover { color: var(--color-accent); }
.nav-links a.active {
  color: var(--color-accent);
}
.nav-links a.active::after {
  content: "";
  position: absolute;
  bottom: -14px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-accent);
  border-radius: 2px;
}
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  flex-direction: column;
  gap: 4px;
}
.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ---------- Hero ---------- */
.hero {
  text-align: center;
  padding: 36px 24px 36px;
  background: linear-gradient(180deg, var(--color-surface) 0%, var(--color-bg) 100%);
  border-bottom: 1px solid var(--color-border);
}

.hero-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  background: var(--color-accent-light);
  padding: 6px 16px;
  border-radius: 20px;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: 2.75rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 8px;
  color: var(--color-text);
}

.hero-caption {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.hero .subtitle {
  font-size: 1rem;
  color: var(--color-text-secondary);
  max-width: 560px;
  margin: 0 auto 24px;
  line-height: 1.6;
}

/* Hero search bar */
.hero-search {
  position: relative;
  max-width: 480px;
  margin: 0 auto;
}

.hero-search .search-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  pointer-events: none;
}

.hero-search input {
  width: 100%;
  padding: 12px 16px 12px 44px;
  font-size: 0.95rem;
  font-family: var(--font-sans);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  color: var(--color-text);
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.hero-search input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-light);
}

/* ---------- Filter bar (sticky) ---------- */
.filter-bar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  padding: 14px 0;
  box-shadow: var(--shadow-xs);
}

.filter-bar .container {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: flex-end;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1 1 180px;
}

.filter-group.search-group {
  flex: 1.5 1 260px;
}

.filter-group label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
}

.search-wrapper {
  position: relative;
}

.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  pointer-events: none;
}

.search-wrapper input {
  padding-left: 36px !important;
}

.filter-group input,
.filter-group select {
  padding: 9px 12px;
  font-size: 0.875rem;
  font-family: var(--font-sans);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.filter-group input:focus,
.filter-group select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-light);
}

.btn-reset {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  font-size: 0.875rem;
  font-family: var(--font-sans);
  font-weight: 600;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition);
  align-self: flex-end;
}

.btn-reset:hover {
  background: var(--color-bg);
  color: var(--color-text);
  border-color: var(--color-text-muted);
}

/* ---------- Results info ---------- */
.results-info {
  padding: 20px 24px 0;
}

.results-info p {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

/* ---------- Card grid ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 20px;
  padding: 20px 0 64px;
}

/* ---------- Card ---------- */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
  position: relative;
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-color: var(--color-border-light);
}

/* Colored left accent bar on card */
.card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  bottom: 16px;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: var(--card-accent, var(--color-accent));
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
}

.card-name {
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text);
}

.card-type {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  white-space: nowrap;
  padding: 4px 10px;
  border-radius: 20px;
  background: var(--color-accent-light);
  color: var(--color-accent);
  flex-shrink: 0;
}

.card-description {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  flex-grow: 1;
}

.card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag {
  font-size: 0.72rem;
  font-weight: 500;
  padding: 3px 10px;
  border-radius: 20px;
  background: var(--tag-bg);
  color: var(--tag-text);
}

.tag-purpose {
  background: var(--color-accent-subtle);
  color: var(--color-accent);
}

/* Persona badges in cards */
.card-personas {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.persona-badge {
  font-size: 0.68rem;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 20px;
  border: 1px solid;
}

/* Persona-specific colors */
.persona-badge[data-persona="Developer"]    { color: var(--persona-developer);   background: #eff6ff; border-color: #bfdbfe; }
.persona-badge[data-persona="QA"]           { color: var(--persona-qa);          background: #ecfdf5; border-color: #a7f3d0; }
.persona-badge[data-persona="Architect"]    { color: var(--persona-architect);   background: #f5f3ff; border-color: #c4b5fd; }
.persona-badge[data-persona="Product Owner"]{ color: var(--persona-po);          background: #fffbeb; border-color: #fcd34d; }
.persona-badge[data-persona="Stakeholder"]  { color: var(--persona-stakeholder); background: #fef2f2; border-color: #fca5a5; }
.persona-badge[data-persona="Data Engineer"]{ color: var(--persona-data);        background: #ecfeff; border-color: #a5f3fc; }
.persona-badge[data-persona="Designer"]     { color: var(--persona-designer);    background: #fdf2f8; border-color: #f9a8d4; }
.persona-badge[data-persona="DevOps"]       { color: var(--persona-devops);      background: #fff7ed; border-color: #fdba74; }
.persona-badge[data-persona="Researcher"]   { color: #6366f1;  background: #eef2ff; border-color: #c7d2fe; }
.persona-badge[data-persona="Educator"]     { color: #14b8a6;  background: #f0fdfa; border-color: #99f6e4; }
.persona-badge[data-persona="Legal"]        { color: #64748b;  background: #f8fafc; border-color: #cbd5e1; }
.persona-badge[data-persona="Healthcare"]   { color: #e11d48;  background: #fff1f2; border-color: #fda4af; }
.persona-badge[data-persona="Marketing"]    { color: #a855f7;  background: #faf5ff; border-color: #d8b4fe; }
.persona-badge[data-persona="Executive"]    { color: #0284c7;  background: #f0f9ff; border-color: #7dd3fc; }
.persona-badge[data-persona="Agile Coach"]  { color: #059669;  background: #ecfdf5; border-color: #6ee7b7; }

.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
  padding-top: 4px;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition);
}

.card-link:hover {
  color: var(--color-accent-hover);
}

.card-link::after {
  content: " →";
}

/* Maturity indicator */
.maturity {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.maturity-dots {
  display: flex;
  gap: 3px;
}

.maturity-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-border);
}

.maturity-dot.filled {
  background: var(--color-accent);
}

/* ---------- Empty state ---------- */
.empty-state {
  text-align: center;
  padding: 80px 24px;
  color: var(--color-text-muted);
}

.empty-state svg {
  margin-bottom: 16px;
  opacity: 0.4;
}

.empty-state p {
  font-size: 1rem;
  margin-bottom: 16px;
}

.btn-clear-filters {
  display: inline-flex;
  align-items: center;
  padding: 8px 20px;
  font-size: 0.85rem;
  font-weight: 600;
  font-family: var(--font-sans);
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius);
  background: transparent;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-clear-filters:hover {
  background: var(--color-accent-light);
}

.hidden {
  display: none;
}

/* ---------- Ecosystem Banner ---------- */
.ecosystem-banner {
  padding: 28px 24px;
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
}
.eco-pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px; border-radius: 999px;
  background: var(--color-bg); border: 1px solid var(--color-border);
  font-size: 0.85rem; font-weight: 600; color: var(--pill-color, var(--color-accent));
  text-decoration: none; transition: all 0.25s;
}
.eco-pill span { font-weight: 400; color: var(--color-text-muted); font-size: 0.78rem; }
.eco-pill:hover { border-color: var(--pill-color, var(--color-accent)); transform: translateY(-1px); }

/* ---------- Footer ---------- */
.site-footer {
  text-align: center;
  padding: 40px 24px;
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
}

.site-footer p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.footer-sub {
  margin-top: 4px;
  font-size: 0.78rem !important;
}

.footer-sub a {
  color: var(--color-accent);
  text-decoration: none;
}

.footer-sub a:hover {
  text-decoration: underline;
}

/* ---------- Shared Page Styles ---------- */
.page-hero {
  text-align: center;
  padding: 48px 24px 32px;
  background: linear-gradient(180deg, var(--color-surface) 0%, var(--color-bg) 100%);
  border-bottom: 1px solid var(--color-border);
}
.page-hero h1 {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 6px;
}
.page-hero .page-sub {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
}
.page-search {
  position: relative;
  max-width: 480px;
  margin: 20px auto 0;
}
.page-search input {
  width: 100%;
  padding: 10px 16px 10px 40px;
  font-size: 0.9rem;
  font-family: var(--font-sans);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.page-search input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-light);
}
.page-search .search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  pointer-events: none;
}
.page-filter-bar {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}
.filter-chip {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 20px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition);
}
.filter-chip:hover { border-color: var(--color-accent); color: var(--color-accent); }
.filter-chip.active { background: var(--color-accent); color: #fff; border-color: var(--color-accent); }
.page-count {
  text-align: center;
  padding: 16px 24px 0;
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

/* --- Glossary --- */
.glossary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 16px;
  padding: 24px 0 48px;
}
.glossary-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
  transition: box-shadow var(--transition), border-color var(--transition);
}
.glossary-card:hover { box-shadow: var(--shadow-md); border-color: var(--color-accent); }
.glossary-card h3 {
  font-size: 0.92rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--color-text);
}
.glossary-card p {
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}
.glossary-card .glossary-tag {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 2px 8px;
  border-radius: 12px;
  background: var(--color-accent-light);
  color: var(--color-accent);
  margin-bottom: 8px;
}

/* --- Prompts --- */
.prompt-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 16px;
  padding: 24px 0 48px;
}
.prompt-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: box-shadow var(--transition), border-color var(--transition);
}
.prompt-card:hover { box-shadow: var(--shadow-md); border-color: var(--color-accent); }
.prompt-card h3 {
  font-size: 0.92rem;
  font-weight: 700;
}
.prompt-card pre {
  font-size: 0.78rem;
  background: #f8f9fa;
  border: 1px solid var(--color-border-light);
  border-radius: 8px;
  padding: 14px;
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--color-text-secondary);
  line-height: 1.55;
  flex-grow: 1;
  max-height: 160px;
  overflow-y: auto;
}
.prompt-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.prompt-role {
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 3px 10px;
  border-radius: 12px;
  background: #ecfdf5;
  color: #059669;
}
.prompt-cat {
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 3px 10px;
  border-radius: 12px;
  background: var(--color-accent-light);
  color: var(--color-accent);
}
.copy-btn {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 6px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition);
}
.copy-btn:hover { border-color: var(--color-accent); color: var(--color-accent); }
.copy-btn.copied { background: #ecfdf5; color: #059669; border-color: #059669; }

/* --- Trends --- */
.trends-list {
  max-width: 800px;
  margin: 0 auto;
  padding: 24px 0 48px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.trend-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
  transition: box-shadow var(--transition), border-color var(--transition);
}
.trend-card:hover { box-shadow: var(--shadow-md); border-color: var(--color-accent); }
.trend-card h3 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 6px;
}
.trend-card p {
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 10px;
}
.trend-meta {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}
.trend-tag {
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 2px 8px;
  border-radius: 12px;
}
.trend-tag.cat { background: var(--color-accent-light); color: var(--color-accent); }
.trend-tag.impact-high { background: #fef2f2; color: #dc2626; }
.trend-tag.impact-medium { background: #fffbeb; color: #d97706; }
.trend-tag.date { background: #f3f4f6; color: #6b7280; }
.trend-tag.source { background: #f0fdf4; color: #166534; }

/* --- Learn --- */
.learn-grid {
  padding: 24px 0 48px;
}
.learn-topic-section {
  margin-bottom: 32px;
}
.learn-topic-heading {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 12px;
  padding-bottom: 6px;
  border-bottom: 2px solid var(--color-accent-light);
}
.learn-topic-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 14px;
}
.learn-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 18px;
  text-decoration: none;
  color: inherit;
  transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
}
.learn-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
  transform: translateY(-2px);
}
.learn-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.learn-format {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--color-text-muted);
}
.learn-level {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 2px 10px;
  border-radius: 12px;
}
.learn-card h3 {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.35;
}
.learn-card p {
  font-size: 0.78rem;
  color: var(--color-text-secondary);
  line-height: 1.55;
  flex-grow: 1;
}
.learn-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.7rem;
  color: var(--color-text-muted);
  padding-top: 6px;
  border-top: 1px solid var(--color-border-light);
}
.learn-provider { font-weight: 600; }
.learn-duration { font-weight: 500; }

/* ---------- Responsive ---------- */

/* ---------- Compare Page ---------- */
.compare-picker {
  padding: 24px 24px 0;
}
.picker-slots {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.picker-slot {
  flex: 1 1 200px;
}
.picker-select {
  width: 100%;
  padding: 10px 14px;
  font-size: 0.9rem;
  font-family: var(--font-sans);
  font-weight: 600;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.picker-select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-light);
}
.compare-table-wrap {
  padding: 24px 0 48px;
  overflow-x: auto;
}
.compare-empty {
  text-align: center;
  padding: 48px 24px;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}
.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}
.compare-table th,
.compare-table td {
  padding: 14px 18px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--color-border-light);
}
.compare-table th {
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-accent);
  background: var(--color-accent-light);
  position: sticky;
  top: 0;
}
.compare-label-col {
  font-weight: 700 !important;
  color: var(--color-text) !important;
  background: var(--color-surface) !important;
  width: 130px;
  white-space: nowrap;
  font-size: 0.82rem !important;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.compare-table tr:hover td {
  background: var(--color-bg);
}
.compare-desc {
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  line-height: 1.55;
}

/* ---------- Stack Wizard Page ---------- */
.stack-wizard {
  padding: 32px 24px 48px;
}
.wizard-step {
  margin-bottom: 32px;
}
.wizard-heading {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--color-text);
}
.wizard-sub {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  margin-bottom: 16px;
}
.chip-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}
.wiz-chip {
  font-size: 0.82rem;
  font-weight: 600;
  font-family: var(--font-sans);
  padding: 8px 18px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition);
}
.wiz-chip:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}
.wiz-chip.active {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}
.wizard-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 24px;
  font-size: 0.9rem;
  font-weight: 700;
  font-family: var(--font-sans);
  background: var(--color-accent);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
}
.wizard-btn:hover { background: var(--color-accent-hover); }
.wizard-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.wizard-btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 20px;
  font-size: 0.85rem;
  font-weight: 600;
  font-family: var(--font-sans);
  background: var(--color-surface);
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius);
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition);
}
.wizard-btn-secondary:hover { background: var(--color-accent-light); }
.stack-results-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 4px;
}
.stack-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.stack-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 50px;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    padding: 16px 24px;
    gap: 12px;
  }
  .nav-links.open { display: flex; }
  .nav-links a.active::after { display: none; }
  .nav-toggle { display: flex; }

  .hero {
    padding: 48px 16px 36px;
  }

  .hero h1 {
    font-size: 1.75rem;
  }

  .hero h1 br {
    display: none;
  }

  .hero .subtitle {
    font-size: 1rem;
  }

  .hero-stats {
    gap: 20px;
  }

  .hero-stat-value {
    font-size: 0.95rem;
  }

  .persona-pills {
    justify-content: flex-start;
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 4px;
    -webkit-overflow-scrolling: touch;
  }

  .filter-bar .container {
    gap: 10px;
  }

  .filter-bar {
    position: relative;
  }

  .filter-group {
    flex: 1 1 100%;
  }

  .card-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 36px 16px 28px;
  }

  .hero h1 {
    font-size: 1.5rem;
  }

  .container {
    padding: 0 16px;
  }

  .card {
    padding: 18px;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.5rem;
  }

  .card {
    padding: 18px;
  }
}