/* Sensoren Demo */

.sensor-hero { padding-top: clamp(80px, 10vw, 120px); padding-bottom: 0; }
.sensor-hero .section-head {
  max-width: 820px;
  margin: 0 auto;
  text-align: center;
}
.sensor-hero .eyebrow { justify-content: center; }
.sensor-hero h1 {
  font-size: clamp(1.8rem, 3.4vw, 2.4rem);
  margin: 14px 0 12px;
  letter-spacing: -0.015em;
}
.sensor-hero .lead {
  max-width: 760px;
  margin: 0 auto;
}

/* ============== LIVE STAGE ============== */
.live-section { padding-top: 32px; }
.live-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(280px, 1fr);
  gap: 24px;
  align-items: start;
}
@media (max-width: 980px) {
  .live-grid { grid-template-columns: 1fr; }
}

.live-stage {
  background: var(--bg-elev-1);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  position: relative;
  overflow: hidden;
}
.building-svg {
  display: block;
  width: 100%;
  height: auto;
  user-select: none;
}

/* Sensor pulse rings */
.pulse-ring {
  transform-box: fill-box;
  transform-origin: center;
  animation: sensorPulse 2.4s ease-out infinite;
}
@keyframes sensorPulse {
  0%   { transform: scale(1);   opacity: 0.85; stroke-width: 1.5; }
  100% { transform: scale(3.6); opacity: 0;    stroke-width: 0.4; }
}

/* People dots */
.person {
  pointer-events: none;
  transition: opacity 0.3s ease;
}

/* Center counter idle pulse */
.center-counter #live-count {
  font-variant-numeric: tabular-nums;
  filter: drop-shadow(0 0 12px rgba(129, 140, 248, 0.35));
}

/* Side panel */
.live-side {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.live-stat {
  background: var(--bg-elev-1);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 18px 20px;
  position: relative;
  overflow: hidden;
}
.live-stat::after {
  content: "";
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--pos), transparent 70%);
}
.stat-eyebrow {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--pos);
  margin-bottom: 8px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.stat-eyebrow::before {
  content: "";
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--pos);
  box-shadow: 0 0 0 4px rgba(52,211,153,0.18);
  animation: dotPulse 1.6s ease-in-out infinite;
}
@keyframes dotPulse {
  0%,100% { opacity: 1; }
  50%     { opacity: 0.45; }
}
.stat-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 8px;
}
.stat-label { color: var(--fg-muted); font-size: 0.86rem; }
.stat-val {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 1.85rem;
  color: var(--fg);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}
.stat-bar {
  height: 6px;
  background: var(--bg-elev-3);
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: 8px;
}
.stat-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-deep));
  transition: width 0.6s var(--ease);
}
.stat-foot {
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--fg-muted);
  font-family: 'IBM Plex Mono', monospace;
}
.trend.up   { color: var(--pos); }
.trend.down { color: var(--warn); }

/* Door cards */
.door-grid {
  display: grid;
  gap: 10px;
}
.door-card {
  background: var(--bg-elev-1);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
}
.door-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 2px;
}
.door-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--pos);
  box-shadow: 0 0 0 3px rgba(52,211,153,0.18);
}
.door-name { font-weight: 600; font-size: 0.95rem; }
.door-meta {
  font-size: 0.75rem;
  color: var(--fg-muted);
  font-family: 'IBM Plex Mono', monospace;
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}
.door-counts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.door-counts > div {
  background: var(--bg-elev-2);
  border-radius: 6px;
  padding: 6px 10px;
  display: flex;
  flex-direction: column;
}
.cnt-num {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}
.cnt-lbl {
  font-size: 0.7rem;
  color: var(--fg-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-top: 1px;
}

.live-info {
  background: var(--bg-elev-2);
  border: 1px dashed var(--line);
  border-radius: 10px;
  padding: 12px 14px;
}
.live-info p {
  margin: 0;
  font-size: 0.82rem;
  color: var(--fg-muted);
  line-height: 1.5;
}

/* ============== SENSOR SPECS ============== */
.specs-section {
  position: relative;
  isolation: isolate;
  margin-top: 24px;
  background:
    radial-gradient(900px 520px at 14% 0%,   rgba( 34, 211, 238, 0.16), transparent 60%),
    radial-gradient(780px 520px at 90% 100%, rgba(129, 140, 248, 0.20), transparent 55%),
    radial-gradient(1200px 700px at 50% 50%, rgba( 56, 189, 248, 0.06), transparent 70%),
    linear-gradient(180deg, #14161D 0%, #181D26 50%, #14161D 100%);
}
.specs-section::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(15,16,21,0.85) 0%, transparent 14%, transparent 86%, rgba(15,16,21,0.85) 100%);
}
.specs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
@media (max-width: 900px) { .specs-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .specs-grid { grid-template-columns: 1fr; } }

.spec-card {
  background: var(--bg-elev-1);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 22px 20px;
  position: relative;
  overflow: hidden;
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}
.spec-card:hover { border-color: var(--line-strong); transform: translateY(-2px); }
.spec-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent 70%);
  opacity: 0.5;
}
.spec-card-accent {
  background:
    radial-gradient(400px 200px at 100% 0%, rgba(52, 211, 153, 0.12), transparent 60%),
    var(--bg-elev-1);
  border-color: rgba(52, 211, 153, 0.30);
}
.spec-card-accent::before { background: linear-gradient(90deg, var(--pos), transparent 70%); opacity: 0.7; }
.spec-card-accent .spec-ico { color: var(--pos); background: rgba(52, 211, 153, 0.10); border-color: rgba(52, 211, 153, 0.28); }

.spec-ico {
  width: 44px; height: 44px;
  border-radius: 10px;
  background: var(--accent-tint);
  border: 1px solid var(--line-strong);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 14px;
}
.spec-ico svg { width: 22px; height: 22px; }
.spec-card h3 {
  font-size: 1rem;
  margin: 0 0 6px;
  letter-spacing: -0.005em;
}
.spec-card p {
  margin: 0;
  color: var(--fg-soft);
  font-size: 0.88rem;
  line-height: 1.55;
}

/* ============== CHARTS ============== */
.charts-section { padding-top: 24px; }
.chart-card {
  background: var(--bg-elev-1);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 24px;
  margin-bottom: 20px;
}
.chart-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}
.chart-card h3 {
  font-size: 1rem;
  margin: 0 0 4px;
  letter-spacing: -0.005em;
}
.chart-card .card-sub {
  margin: 0;
  font-size: 0.84rem;
  color: var(--fg-muted);
}

/* Bar chart */
.bar-chart {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
  align-items: stretch;
}
.bar-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  height: 240px;
}
.bar-item .bar-track {
  width: 100%;
  flex: 1 1 auto;
  min-height: 0;
  background: var(--bg-elev-2);
  border-radius: 8px 8px 0 0;
  position: relative;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  transition: background 0.2s var(--ease);
}
.bar-item:hover .bar-track { background: var(--bg-elev-3); }
.bar-item .bar-fill {
  width: 100%;
  background: linear-gradient(180deg, #5EEAD4, #14B8A6);
  border-radius: 8px 8px 0 0;
  transition: height 0.5s var(--ease);
}
.bar-item.is-selected .bar-fill {
  background: linear-gradient(180deg, var(--accent-hover), var(--accent-deep));
  box-shadow: 0 0 0 2px var(--accent-glow) inset;
}
.bar-item .bar-num {
  position: absolute;
  top: 8px;
  left: 0; right: 0;
  text-align: center;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.85rem;
  color: var(--fg);
  font-weight: 600;
}
.bar-item .day-name {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.78rem;
  color: var(--fg-muted);
  letter-spacing: 0.06em;
}
.bar-item.is-selected .day-name { color: var(--accent); }

.chip-row { display: flex; gap: 6px; flex-wrap: wrap; }
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: var(--bg-elev-2);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-size: 0.78rem;
  color: var(--fg-soft);
  font-family: 'IBM Plex Mono', monospace;
  letter-spacing: 0.04em;
}
.chip.is-active {
  background: var(--accent);
  color: #0F1015;
  border-color: var(--accent);
}

/* Line chart */
.line-wrap {
  position: relative;
  width: 100%;
  height: 360px;
}
.line-chart {
  width: 100%;
  height: 100%;
  display: block;
  cursor: crosshair;
}
.line-chart .grid-line { stroke: #23273A; stroke-width: 1; }
.line-chart .axis-text {
  fill: #5C6479;
  font-size: 10px;
  font-family: 'IBM Plex Mono', monospace;
  letter-spacing: 0.04em;
}
.line-chart .data-line {
  fill: none;
  stroke-width: 2;
  stroke-linejoin: round;
  stroke-linecap: round;
  transition: stroke-width 0.2s, opacity 0.2s;
}
.line-chart .data-line.is-hidden  { opacity: 0.12; stroke-width: 1.4; }
.line-chart .data-line.is-focused { stroke-width: 3; filter: drop-shadow(0 0 6px currentColor); }
.line-chart .area      { opacity: 0.10; }
.line-chart .area.is-hidden { opacity: 0; }
.line-chart .hover-line {
  stroke: var(--fg-faint);
  stroke-width: 1;
  stroke-dasharray: 4 4;
}
.line-chart .hover-dot { stroke: #0F1015; stroke-width: 2; }

.line-tooltip {
  position: absolute;
  pointer-events: none;
  background: var(--bg-elev-3);
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 0.82rem;
  color: var(--fg);
  font-family: 'IBM Plex Mono', monospace;
  white-space: nowrap;
  transform: translate(-50%, -120%);
  z-index: 5;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}
.line-tooltip strong { color: var(--accent); }
.line-tooltip .tt-row { display: flex; justify-content: space-between; gap: 14px; }
.line-tooltip .tt-row + .tt-row { margin-top: 2px; }

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
}
.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  color: var(--fg-soft);
  background: var(--bg-elev-2);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px 10px;
  cursor: pointer;
  transition: opacity 0.2s;
  font-family: 'IBM Plex Mono', monospace;
  letter-spacing: 0.03em;
}
.legend-item.is-hidden { opacity: 0.4; }
.legend-item .sw {
  width: 10px; height: 10px;
  border-radius: 3px;
}

/* Heatmap */
.seg-toggle {
  display: inline-flex;
  background: var(--bg-elev-2);
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  padding: 3px;
  gap: 2px;
}
.seg {
  border: 0;
  background: transparent;
  color: var(--fg-muted);
  font-size: 0.8rem;
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-family: 'IBM Plex Mono', monospace;
  letter-spacing: 0.04em;
}
.seg.is-active {
  background: var(--accent);
  color: #0F1015;
  font-weight: 600;
}

.heatmap {
  display: grid;
  grid-template-columns: 110px repeat(6, 1fr);
  gap: 6px;
}
.hm-cell {
  background: var(--bg-elev-2);
  border-radius: 6px;
  padding: 14px 10px;
  text-align: center;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.15s var(--ease), border-color 0.15s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hm-cell:hover { transform: translateY(-2px); border-color: var(--line-strong); }
.hm-cell.is-selected { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.hm-cell.hm-head, .hm-cell.hm-row {
  background: transparent;
  cursor: default;
  font-family: 'IBM Plex Mono', monospace;
  color: var(--fg-muted);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 8px;
}
.hm-cell.hm-row { justify-content: flex-start; padding-left: 4px; color: var(--fg-soft); font-weight: 600; }
.hm-cell.hm-row.hm-row-total { color: var(--accent); }
.hm-cell:hover.hm-head, .hm-cell:hover.hm-row { transform: none; border-color: transparent; }
.hm-cell .hm-val {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 1rem;
  font-weight: 700;
  color: #0F1015;
}

.heatmap-legend {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 14px;
  font-size: 0.78rem;
  color: var(--fg-muted);
  font-family: 'IBM Plex Mono', monospace;
}
.hm-scale {
  flex: 1;
  height: 8px;
  background: linear-gradient(90deg, #DBEAFE, #93C5FD, #3B82F6, #1E3A5F);
  border-radius: 999px;
}

.heatmap-detail {
  margin-top: 14px;
  padding: 12px 14px;
  background: var(--bg-elev-2);
  border-radius: 8px;
  font-size: 0.88rem;
  color: var(--fg-soft);
  font-family: 'IBM Plex Mono', monospace;
  letter-spacing: 0.02em;
  min-height: 42px;
}

.demo-disclaimer {
  font-size: 0.78rem;
  color: var(--fg-faint);
  background: var(--bg-elev-2);
  border: 1px dashed var(--line);
  border-radius: 8px;
  padding: 10px 14px;
  margin: 0 0 16px;
  line-height: 1.5;
}
.demo-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}