.feature-billboard {
  padding: 20px 0 70px;
}

.feature-billboard .fb-head {
  margin-bottom: 24px;
}

.feature-billboard .fb-subhead {
  margin-top: 10px;
  font-size: 15px;
  color: var(--muted);
}

/* Tab strip — makes it obvious these are multiple, selectable features */
.feature-billboard .fb-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 32px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding-bottom: 2px;
}

.feature-billboard .fb-tabs::-webkit-scrollbar {
  display: none;
}

.feature-billboard .fb-tab {
  flex-shrink: 0;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--muted);
  border-radius: 999px;
  padding: 8px 16px;
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.feature-billboard .fb-tab:hover {
  color: var(--ink);
  border-color: var(--faint);
}

.feature-billboard .fb-tab.active {
  color: var(--accent);
  background: var(--accent-soft);
  border-color: var(--accent);
}

.feature-billboard .fb-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 40px;
  align-items: center;
}

.feature-billboard .fb-label {
  display: inline-flex;
  width: fit-content;
  border-radius: 8px;
  background: rgba(12, 14, 20, 0.92);
  padding: 4px 10px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(0, 0, 0, 0.2);
  margin-bottom: 12px;
}

.feature-billboard .fb-label span {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

.feature-billboard .fb-copy h3 {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-weight: 800;
  font-size: clamp(24px, 3vw, 32px);
  letter-spacing: -0.5px;
  line-height: 1.1;
  margin-bottom: 12px;
}

.feature-billboard .fb-copy p {
  font-size: 15px;
  line-height: 1.6;
  color: var(--muted);
  max-width: 34ch;
}

.feature-billboard .fb-controls {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 28px;
}

.feature-billboard .fb-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 38px;
  width: 38px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--ink);
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.1s ease;
}

.feature-billboard .fb-arrow svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.feature-billboard .fb-arrow:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
}

.feature-billboard .fb-arrow:active {
  transform: scale(0.94);
}

.feature-billboard .fb-counter {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  color: var(--faint);
  letter-spacing: 0.04em;
  min-width: 62px;
  text-align: center;
}

.feature-billboard .fb-slide {
  animation: fb-slide-in 0.55s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes fb-slide-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* Mock window chrome */
.fb-mock {
  overflow: hidden;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.45);
}

.fb-mock-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--line);
  background: rgba(26, 32, 48, 0.8);
  padding: 8px 12px;
}

.fb-mock-dots {
  display: flex;
  gap: 4px;
}

.fb-mock-dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.fb-mock-dots span:nth-child(1) { background: rgba(248, 113, 113, 0.7); }
.fb-mock-dots span:nth-child(2) { background: rgba(251, 191, 36, 0.7); }
.fb-mock-dots span:nth-child(3) { background: rgba(180, 236, 69, 0.8); }

.fb-mock-url {
  flex: 1;
  text-align: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--faint);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.fb-mock-body {
  padding: 12px;
  font-size: 10px;
}

.fb-thread {
  border-radius: 8px;
  border: 1px solid var(--line);
  border-left-width: 3px;
  padding: 8px 10px;
  margin-bottom: 6px;
}

.fb-thread.unread {
  border-left-color: var(--accent);
  background: #161b28;
}

.fb-thread.read {
  border-left-color: transparent;
  background: #131722;
}

.fb-thread.selected {
  box-shadow: inset 0 0 0 1px rgba(168, 230, 51, 0.35);
}

.fb-thread-top {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 2px;
}

.fb-thread-from {
  font-weight: 600;
  color: var(--ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.fb-thread-time {
  color: var(--faint);
  font-size: 9px;
  flex-shrink: 0;
}

.fb-thread-subject {
  color: var(--ink);
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.fb-thread-preview {
  color: var(--faint);
  font-size: 9px;
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.fb-badge {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  margin-top: 6px;
  border-radius: 999px;
  padding: 2px 6px;
  font-size: 8px;
  font-weight: 500;
  background: rgba(34, 197, 94, 0.15);
  color: #86efac;
}

.fb-cal-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 4px;
}

.fb-cal-day-label {
  text-align: center;
  font-size: 8px;
  font-weight: 500;
  color: var(--faint);
  margin-bottom: 4px;
}

.fb-cal-cell {
  position: relative;
  height: 96px;
  overflow: hidden;
  border-radius: 6px;
  border: 1px solid var(--line);
  background: var(--panel);
}

.fb-cal-hours {
  position: absolute;
  left: 0;
  right: 0;
  top: 22%;
  bottom: 32%;
  background: rgba(180, 236, 69, 0.06);
}

.fb-cal-event {
  position: absolute;
  left: 2px;
  right: 2px;
  border-radius: 4px;
  padding: 2px 4px;
  font-size: 7px;
}

.fb-cal-event.brand {
  top: 12px;
  border: 1px solid rgba(180, 236, 69, 0.3);
  background: rgba(180, 236, 69, 0.2);
}

.fb-cal-event.purple {
  top: 20px;
  border: 1px solid rgba(192, 132, 252, 0.3);
  background: rgba(168, 85, 247, 0.15);
}

.fb-cal-event.blue {
  top: 52%;
  border: 1px solid rgba(96, 165, 250, 0.3);
  background: rgba(59, 130, 246, 0.15);
}

.fb-route-card {
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #161b28;
  padding: 6px 8px;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.fb-route-tag {
  border-radius: 4px;
  padding: 2px 4px;
  font-size: 8px;
  font-weight: 600;
  text-transform: uppercase;
  flex-shrink: 0;
}

.fb-route-tag.brand { background: rgba(180, 236, 69, 0.15); color: var(--accent); }
.fb-route-tag.blue { background: rgba(59, 130, 246, 0.15); color: #93c5fd; }
.fb-route-tag.purple { background: rgba(168, 85, 247, 0.15); color: #d8b4fe; }
.fb-route-tag.amber { background: rgba(245, 158, 11, 0.15); color: #fcd34d; }

.fb-route-detail {
  color: var(--muted);
  font-size: 9px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.fb-ai-box {
  border-radius: 8px;
  padding: 8px 10px;
  margin-bottom: 8px;
  font-size: 9px;
  line-height: 1.45;
}

.fb-ai-box.summary {
  border: 1px solid rgba(139, 124, 240, 0.3);
  background: rgba(139, 124, 240, 0.1);
  color: var(--muted);
}

.fb-ai-box.draft {
  border: 1px solid rgba(180, 236, 69, 0.25);
  background: rgba(180, 236, 69, 0.08);
  color: var(--muted);
}

.fb-ai-title {
  font-weight: 600;
  margin-bottom: 4px;
  font-size: 9px;
}

.fb-ai-title.summary { color: var(--ai); }
.fb-ai-title.draft { color: var(--accent); }

@media (max-width: 900px) {
  .feature-billboard .fb-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .feature-billboard .fb-copy p {
    max-width: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .feature-billboard .fb-slide {
    animation: none;
  }
}