/* ========================================
   Hardware Per Barn — Isometric interactive
   ======================================== */

.hw-demo {
    position: relative;
}

.hw-layout {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

@media (min-width: 1024px) {
    .hw-layout {
        flex-direction: row;
        align-items: stretch;
        gap: 1.5rem;
    }
}

/* ---- Diagram side ---- */
.hw-diagram {
    flex: 1 1 55%;
    position: relative;
    background: linear-gradient(155deg, #0D2818 0%, #1B4332 100%);
    border: 1px solid rgba(107, 143, 113, 0.15);
    border-radius: 10px;
    padding: 0.75rem;
    overflow: hidden;
}

.hw-svg {
    width: 100%;
    height: auto;
    display: block;
    overflow: visible;
}

.hw-svg-caption {
    position: absolute;
    top: 0.75rem;
    left: 0.75rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 9px;
    color: rgba(250, 247, 242, 0.35);
    text-transform: uppercase;
    letter-spacing: 0.15em;
}

.hw-tour-btn {
    position: absolute;
    bottom: 0.75rem;
    right: 0.75rem;
    padding: 5px 12px;
    background: rgba(13, 40, 24, 0.7);
    border: 1px solid rgba(107, 143, 113, 0.3);
    border-radius: 9999px;
    color: rgba(250, 247, 242, 0.7);
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.hw-tour-btn:hover {
    background: rgba(107, 143, 113, 0.2);
    color: #FAF7F2;
    border-color: rgba(107, 143, 113, 0.6);
}

.hw-tour-btn:focus-visible {
    outline: 2px solid #6B8F71;
    outline-offset: 2px;
}

/* ---- Barn structure ---- */
.hw-floor {
    fill: rgba(13, 40, 24, 0.6);
    stroke: rgba(107, 143, 113, 0.25);
    stroke-width: 1;
}

.hw-floor-grid {
    stroke: rgba(107, 143, 113, 0.12);
    stroke-width: 0.5;
    fill: none;
}

.hw-wall {
    fill: rgba(27, 67, 50, 0.45);
    stroke: rgba(107, 143, 113, 0.3);
    stroke-width: 1;
}

.hw-wall-right {
    fill: rgba(13, 40, 24, 0.65);
}

.hw-birds circle {
    fill: rgba(250, 247, 242, 0.35);
}

/* ---- Hotspots (default state) ---- */
.hw-hotspot {
    cursor: pointer;
    transition: opacity 0.3s ease;
}

.hw-hotspot:focus {
    outline: none;
}

.hw-hotspot:focus-visible .hw-focus-ring {
    opacity: 1;
}

.hw-focus-ring {
    fill: none;
    stroke: #FAF7F2;
    stroke-width: 1;
    stroke-dasharray: 3 2;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}

/* Cameras */
.hw-camera-ring {
    fill: rgba(13, 40, 24, 0.6);
    stroke: rgba(107, 143, 113, 0.7);
    stroke-width: 1.5;
    transition: stroke 0.4s ease, stroke-width 0.4s ease, fill 0.4s ease;
}
.hw-camera-lens {
    fill: #6B8F71;
    transition: fill 0.4s ease;
}
.hw-mount {
    stroke: rgba(107, 143, 113, 0.25);
    stroke-width: 0.75;
    stroke-dasharray: 2 2;
    fill: none;
}

/* LED strip */
.hw-led-strip {
    stroke: rgba(232, 93, 76, 0.35);
    stroke-width: 2;
    fill: none;
    stroke-linecap: round;
    transition: stroke 0.4s ease, stroke-width 0.4s ease;
}

/* Jetson */
.hw-jetson-box {
    fill: rgba(107, 143, 113, 0.2);
    stroke: rgba(107, 143, 113, 0.7);
    stroke-width: 1.25;
    transition: fill 0.4s ease, stroke 0.4s ease, stroke-width 0.4s ease;
}
.hw-jetson-label {
    fill: rgba(107, 143, 113, 0.9);
    font-family: 'JetBrains Mono', monospace;
    font-size: 7px;
    font-weight: 700;
    letter-spacing: 0.1em;
    pointer-events: none;
    transition: fill 0.4s ease;
}
.hw-jetson-dot {
    fill: rgba(232, 93, 76, 0.7);
    transition: opacity 0.4s ease;
}

/* Speakers */
.hw-speaker-cone {
    fill: rgba(13, 40, 24, 0.5);
    stroke: rgba(250, 247, 242, 0.45);
    stroke-width: 1.25;
    transition: stroke 0.4s ease, stroke-width 0.4s ease;
}
.hw-speaker-center {
    fill: rgba(250, 247, 242, 0.5);
    transition: fill 0.4s ease;
}
.hw-sound-ring {
    fill: none;
    stroke: rgba(250, 247, 242, 0.8);
    stroke-width: 1.25;
    opacity: 0;
    transform-origin: center;
    transform-box: fill-box;
}

/* Sensors */
.hw-sensor-body {
    fill: rgba(13, 40, 24, 0.7);
    stroke: rgba(250, 247, 242, 0.4);
    stroke-width: 0.8;
    transition: stroke 0.4s ease, stroke-width 0.4s ease;
}
.hw-sensor-led {
    fill: rgba(232, 93, 76, 0.7);
    transition: opacity 0.4s ease;
}

/* Data flow lines */
.hw-flow {
    fill: none;
    stroke: rgba(107, 143, 113, 0);
    stroke-width: 1;
    stroke-dasharray: 4 4;
    transition: stroke 0.4s ease;
    pointer-events: none;
}

/* ---- Active states (data-active drives all) ---- */
[data-active="cameras"] .hw-camera[data-hardware="cameras"] .hw-camera-ring,
[data-active="cameras"] .hw-camera-ring {
    stroke: #FAF7F2;
    stroke-width: 2;
    filter: drop-shadow(0 0 4px rgba(107, 143, 113, 0.8));
}
[data-active="cameras"] .hw-camera-lens {
    fill: #FAF7F2;
    animation: hw-blink 1.2s ease-in-out infinite;
}
[data-active="cameras"] .hw-flow[data-from="cameras"] {
    stroke: rgba(107, 143, 113, 0.85);
    animation: hw-flow-dash 1s linear infinite;
}

[data-active="leds"] .hw-led-strip {
    stroke: #E85D4C;
    stroke-width: 3;
    filter: drop-shadow(0 0 5px rgba(232, 93, 76, 0.65));
    animation: hw-led-pulse 1.4s ease-in-out infinite;
}

[data-active="jetson"] .hw-jetson-box {
    fill: rgba(107, 143, 113, 0.4);
    stroke: #FAF7F2;
    stroke-width: 1.75;
    filter: drop-shadow(0 0 6px rgba(107, 143, 113, 0.7));
}
[data-active="jetson"] .hw-jetson-label {
    fill: #FAF7F2;
}
[data-active="jetson"] .hw-jetson-dot {
    animation: hw-blink 0.8s ease-in-out infinite;
}
[data-active="jetson"] .hw-flow {
    stroke: rgba(107, 143, 113, 0.5);
    animation: hw-flow-dash 1.4s linear infinite;
}

[data-active="audio"] .hw-speaker-cone {
    stroke: #FAF7F2;
    stroke-width: 1.75;
    filter: drop-shadow(0 0 5px rgba(250, 247, 242, 0.55));
}
[data-active="audio"] .hw-speaker-center {
    fill: #FAF7F2;
}
[data-active="audio"] .hw-sound-ring {
    opacity: 1;
    animation: hw-sound 1.4s ease-out infinite;
}
[data-active="audio"] .hw-sound-ring:nth-of-type(2) { animation-delay: 0.45s; }
[data-active="audio"] .hw-sound-ring:nth-of-type(3) { animation-delay: 0.9s; }

[data-active="sensors"] .hw-sensor-body {
    stroke: #6B8F71;
    stroke-width: 1.5;
    filter: drop-shadow(0 0 4px rgba(107, 143, 113, 0.6));
}
[data-active="sensors"] .hw-sensor-led {
    animation: hw-blink 0.7s ease-in-out infinite;
}
[data-active="sensors"] .hw-flow[data-from="sensors"] {
    stroke: rgba(107, 143, 113, 0.85);
    animation: hw-flow-dash 1s linear infinite;
}

/* Hover for non-active hotspots */
.hw-hotspot:hover .hw-camera-ring,
.hw-hotspot:hover .hw-speaker-cone,
.hw-hotspot:hover .hw-sensor-body,
.hw-hotspot:hover .hw-jetson-box {
    stroke: rgba(250, 247, 242, 0.85);
}
.hw-hotspot:hover .hw-led-strip {
    stroke: rgba(232, 93, 76, 0.7);
}

/* ---- Animations ---- */
@keyframes hw-flow-dash {
    to { stroke-dashoffset: -16; }
}

@keyframes hw-led-pulse {
    0%, 100% { stroke: #E85D4C; }
    50% { stroke: rgba(232, 93, 76, 0.55); }
}

@keyframes hw-blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.35; }
}

@keyframes hw-sound {
    0% { transform: scale(0.4); opacity: 0.9; }
    100% { transform: scale(4); opacity: 0; }
}

/* ---- Detail panel ---- */
.hw-panel {
    flex: 1 1 45%;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.hw-step-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: #6B8F71;
}

.hw-detail-title {
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    font-weight: 600;
    color: #FAF7F2;
    line-height: 1.2;
    min-height: 1.8em;
}

.hw-detail-body {
    font-size: 0.875rem;
    line-height: 1.55;
    color: rgba(250, 247, 242, 0.75);
    min-height: 4em;
}

.hw-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.hw-list-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.5rem 0.85rem;
    background: rgba(250, 247, 242, 0.05);
    border: 1px solid rgba(107, 143, 113, 0.25);
    border-radius: 9999px;
    color: rgba(250, 247, 242, 0.75);
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    cursor: pointer;
    transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.hw-list-btn:hover {
    background: rgba(107, 143, 113, 0.18);
    color: #FAF7F2;
    border-color: rgba(107, 143, 113, 0.5);
}

.hw-list-btn:focus-visible {
    outline: 2px solid #6B8F71;
    outline-offset: 2px;
}

.hw-list-btn[aria-selected="true"] {
    background: #6B8F71;
    border-color: #6B8F71;
    color: #0D2818;
}

.hw-list-dot {
    width: 6px;
    height: 6px;
    border-radius: 9999px;
    background: currentColor;
    opacity: 0.6;
}

/* ---- Reduced motion ---- */
@media (prefers-reduced-motion: reduce) {
    .hw-camera-lens,
    .hw-jetson-dot,
    .hw-sensor-led,
    .hw-flow,
    .hw-led-strip,
    .hw-sound-ring {
        animation: none !important;
    }
    .hw-flow {
        stroke-dasharray: 4 4;
    }
}