/* ═══════════════════════════════════════════════════════════════════
   Product Tour Gallery — public-facing demo tutorial browser
   Uses the same CSS custom properties as landing.css
   ═══════════════════════════════════════════════════════════════════ */

:root {
  --bg: #f8fafc;
  --surface: #fff;
  --border: #e2e8f0;
  --brand: #2563eb;
  --brand-dark: #1d4ed8;
  --brand-soft: #eff6ff;
  --ink: #0f172a;
  --ink-2: #334155;
  --ink-3: #64748b;
  --ink-4: #94a3b8;
  --green: #16a34a;
  --amber: #d97706;
  --red: #dc2626;
  --purple: #7c3aed;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow: 0 4px 6px rgba(15, 23, 42, .05);
  --shadow-md: 0 10px 15px rgba(15, 23, 42, .06);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Inter', -apple-system, sans-serif;
  background: #fff;
  color: var(--ink);
  line-height: 1.5;
}

/* ── Navigation ─────────────────────────────────────────────────── */
.tour-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 32px;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 100;
}

.tour-nav-logo {
  font-family: 'DM Serif Display', serif;
  font-size: 22px;
  color: var(--ink);
  text-decoration: none;
}

.tour-nav-logo span { color: var(--brand); }

.tour-nav-cta {
  display: flex;
  gap: 10px;
  align-items: center;
}

.tour-nav-cta .btn {
  padding: 10px 20px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: all .15s;
}

.btn-outline {
  border: 1.5px solid var(--border);
  color: var(--ink-2);
  background: #fff;
}

.btn-outline:hover {
  border-color: var(--brand);
  color: var(--brand);
}

.btn-primary {
  background: var(--brand);
  color: #fff;
  border: none;
}

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

/* ── Hero ────────────────────────────────────────────────────────── */
.tour-hero {
  text-align: center;
  padding: 80px 32px 60px;
  background: linear-gradient(180deg, #f8fafc 0%, #fff 100%);
}

.tour-hero-badge {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 99px;
  background: var(--brand-soft);
  color: var(--brand);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 20px;
}

.tour-hero h1 {
  font-size: 44px;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 12px;
  color: var(--ink);
}

.tour-hero p {
  font-size: 18px;
  color: var(--ink-3);
  max-width: 600px;
  margin: 0 auto 28px;
}

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

.tour-hero-cta .btn {
  padding: 14px 28px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  transition: all .15s;
}

/* ── Stats Bar ───────────────────────────────────────────────────── */
.tour-stats {
  display: flex;
  justify-content: center;
  gap: 48px;
  padding: 32px 0 48px;
  flex-wrap: wrap;
}

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

.tour-stat-num {
  font-size: 28px;
  font-weight: 800;
  color: var(--ink);
}

.tour-stat-label {
  font-size: 13px;
  color: var(--ink-4);
  margin-top: 2px;
}

/* ── Category Tabs ───────────────────────────────────────────────── */
.tour-categories {
  display: flex;
  justify-content: center;
  gap: 8px;
  padding: 0 32px 32px;
  flex-wrap: wrap;
}

.tour-cat-tab {
  padding: 8px 20px;
  border-radius: 99px;
  border: 1.5px solid var(--border);
  background: #fff;
  color: var(--ink-3);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all .15s;
}

.tour-cat-tab:hover {
  border-color: var(--brand);
  color: var(--brand);
}

.tour-cat-tab.active {
  background: var(--brand);
  color: #fff;
  border-color: var(--brand);
}

.tour-cat-count {
  font-size: 11px;
  opacity: 0.7;
  margin-left: 4px;
}

/* ── Card Grid ───────────────────────────────────────────────────── */
.tour-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 20px;
  padding: 0 32px 60px;
  max-width: 1280px;
  margin: 0 auto;
}

/* ── Tutorial Card ───────────────────────────────────────────────── */
.tour-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  cursor: pointer;
  transition: all .2s;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

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

.tour-card-header {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.tour-card-icon {
  font-size: 36px;
  line-height: 1;
  flex-shrink: 0;
}

.tour-card-info { flex: 1; min-width: 0; }

.tour-card-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 4px;
  line-height: 1.3;
}

.tour-card-duration {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  color: var(--ink-4);
  background: #f8fafc;
  padding: 2px 8px;
  border-radius: 4px;
}

.tour-card-desc {
  font-size: 13px;
  color: var(--ink-3);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.tour-card-topics {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.tour-card-topic {
  font-size: 10px;
  padding: 3px 8px;
  border-radius: 99px;
  background: #f8fafc;
  color: var(--ink-4);
  font-weight: 500;
}

.tour-card-action {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--brand);
  margin-top: auto;
  padding-top: 4px;
}

.tour-card-action:hover { color: var(--brand-dark); }

/* ── Empty state ─────────────────────────────────────────────────── */
.tour-empty {
  text-align: center;
  padding: 60px 20px;
  grid-column: 1 / -1;
}

.tour-empty-icon { font-size: 40px; margin-bottom: 12px; }

.tour-empty-text {
  font-size: 16px;
  color: var(--ink-3);
}

/* ── Lightbox / Modal ────────────────────────────────────────────── */
.tour-lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(15, 23, 42, 0.92);
  backdrop-filter: blur(4px);
  flex-direction: column;
}

.tour-lightbox.open {
  display: flex;
}

.tour-lb-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  color: #fff;
  flex-shrink: 0;
}

.tour-lb-title {
  font-size: 16px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

.tour-lb-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.tour-lb-nav-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, .2);
  background: rgba(255, 255, 255, .05);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  transition: all .15s;
}

.tour-lb-nav-btn:hover {
  background: rgba(255, 255, 255, .15);
  border-color: rgba(255, 255, 255, .4);
}

.tour-lb-close {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, .2);
  background: rgba(255, 255, 255, .08);
  color: #fff;
  cursor: pointer;
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .15s;
}

.tour-lb-close:hover {
  background: rgba(239, 68, 68, .3);
  border-color: rgba(239, 68, 68, .5);
}

.tour-lb-body {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px 24px 24px;
  min-height: 0;
}

/* ── Walkthrough Player inside Lightbox ──────────────────────────── */
.tour-player {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 25px 50px rgba(0, 0, 0, .4);
  width: 100%;
  max-width: 920px;
  max-height: 100%;
  display: flex;
  flex-direction: column;
}

.tour-player-topbar {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  height: 42px;
  flex-shrink: 0;
}

.tour-player-dots {
  display: flex;
  gap: 5px;
}

.tour-player-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.tour-player-dots span:nth-child(1) { background: #ef4444; }
.tour-player-dots span:nth-child(2) { background: #f59e0b; }
.tour-player-dots span:nth-child(3) { background: #22c55e; }

.tour-player-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--ink-3);
  margin-left: 8px;
}

.tour-player-badge {
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 99px;
  background: var(--brand-soft);
  color: var(--brand);
  font-weight: 600;
  margin-left: auto;
}

.tour-player-content {
  flex: 1;
  min-height: 380px;
  max-height: 420px;
  overflow-y: auto;
  padding: 20px;
  background: #f8fafc;
}

.tour-player-caption {
  background: #fff;
  border-top: 1px solid var(--border);
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.tour-player-step {
  background: var(--brand);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 99px;
  flex-shrink: 0;
}

.tour-player-caption-text {
  font-size: 13.5px;
  color: var(--ink-2);
  flex: 1;
  line-height: 1.4;
}

.tour-player-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px 16px;
  justify-content: center;
  background: #f8fafc;
  flex-shrink: 0;
}

.tour-ctrl-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--ink-2);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: all .15s;
}

.tour-ctrl-btn:hover {
  background: var(--brand-soft);
  border-color: var(--brand);
}

.tour-ctrl-btn.play-btn {
  width: 44px;
  height: 44px;
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
  font-size: 16px;
}

.tour-ctrl-btn.play-btn:hover {
  background: var(--brand-dark);
}

.tour-ctrl-dots {
  display: flex;
  gap: 4px;
  margin: 0 12px;
}

.tour-ctrl-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--border);
  cursor: pointer;
  transition: all .2s;
}

.tour-ctrl-dot.active {
  background: var(--brand);
  width: 18px;
  border-radius: 3px;
}

.tour-ctrl-dot.done {
  background: rgba(37, 99, 235, .35);
}

.tour-player-info {
  font-size: 11px;
  color: var(--ink-4);
  min-width: 80px;
  text-align: center;
}

/* ── Player mock content styles ──────────────────────────────────── */
.tour-player .mock-stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 16px;
}

.tour-player .mock-stat {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
  text-align: center;
}

.tour-player .mock-stat .val {
  font-size: 22px;
  font-weight: 800;
  color: var(--ink);
}

.tour-player .mock-stat .lbl {
  font-size: 10px;
  text-transform: uppercase;
  color: var(--ink-4);
  margin-top: 2px;
}

.tour-player .mock-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 10px;
}

.tour-player .mock-card h3 {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 8px;
}

.tour-player .mock-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 11px;
}

.tour-player .mock-table th {
  text-align: left;
  font-size: 9px;
  text-transform: uppercase;
  color: var(--ink-4);
  padding: 6px 8px;
  border-bottom: 1px solid var(--border);
  background: #f8fafc;
}

.tour-player .mock-table td {
  padding: 6px 8px;
  border-bottom: 1px solid #f1f5f9;
  color: var(--ink-2);
}

.tour-player .mock-badge {
  display: inline-block;
  font-size: 9px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 99px;
}

.tour-player .mock-badge.green {
  background: #dcfce7;
  color: #16a34a;
}

.tour-player .mock-badge.amber {
  background: #fef3c7;
  color: #d97706;
}

.tour-player .mock-badge.red {
  background: #fee2e2;
  color: #dc2626;
}

.tour-player .mock-badge.blue {
  background: #eff6ff;
  color: #2563eb;
}

.tour-player .btn-mock {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
  background: var(--brand);
  color: #fff;
}

.tour-player .mock-input {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 11px;
  width: 100%;
  margin-bottom: 8px;
}

.tour-player .mock-tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 12px;
}

.tour-player .mock-tab {
  padding: 8px 14px;
  font-size: 11px;
  color: var(--ink-4);
  cursor: pointer;
  border-bottom: 2px solid transparent;
}

.tour-player .mock-tab.active {
  color: var(--brand);
  border-bottom-color: var(--brand);
  font-weight: 500;
}

/* ── Bottom CTA ──────────────────────────────────────────────────── */
.tour-bottom-cta {
  text-align: center;
  padding: 60px 32px 80px;
  background: linear-gradient(180deg, #fff 0%, #f8fafc 100%);
  border-top: 1px solid var(--border);
}

.tour-bottom-cta h2 {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 8px;
}

.tour-bottom-cta p {
  font-size: 16px;
  color: var(--ink-3);
  margin-bottom: 24px;
}

.tour-bottom-cta .btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  margin: 0 6px;
}

/* ── Keyboard hint ───────────────────────────────────────────────── */
.tour-kbd-hint {
  font-size: 11px;
  color: var(--ink-4);
  text-align: center;
  padding-bottom: 8px;
}

.tour-kbd {
  display: inline-block;
  padding: 1px 6px;
  border-radius: 3px;
  border: 1px solid var(--border);
  background: #f8fafc;
  font-family: monospace;
  font-size: 10px;
  color: var(--ink-3);
}

/* ── Footer ──────────────────────────────────────────────────────── */
.tour-footer {
  text-align: center;
  padding: 24px 32px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--ink-4);
}

.tour-footer a {
  color: var(--brand);
  text-decoration: none;
}

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

/* ── Responsive ──────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .tour-nav {
    padding: 12px 16px;
  }

  .tour-nav-logo { font-size: 18px; }

  .tour-nav-cta .btn {
    padding: 8px 14px;
    font-size: 12px;
  }

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

  .tour-hero h1 {
    font-size: 28px;
  }

  .tour-hero p {
    font-size: 15px;
  }

  .tour-stats {
    gap: 24px;
  }

  .tour-stat-num { font-size: 22px; }

  .tour-grid {
    grid-template-columns: 1fr;
    padding: 0 16px 40px;
    gap: 12px;
  }

  .tour-card { padding: 16px; }

  .tour-card-icon { font-size: 28px; }

  .tour-lb-body {
    padding: 8px;
  }

  .tour-player-content {
    min-height: 280px;
    max-height: 320px;
  }

  .tour-player .mock-stat-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .tour-bottom-cta h2 {
    font-size: 22px;
  }
}