/* Sensor Description */
.sensor-description {
position: relative;
text-align: center;
}

.sensor-description h4 {
font-weight: bold;
font-size: 1.8rem;
}

.sensor-description p {
font-size: 1.2rem;
}

/* Hide all descriptions initially */
.desc {
opacity: 0;
transform: translateX(50px); 
transition: transform 0.5s ease-in-out 0.1s, opacity 0.5s ease-in-out 0.1s;
display: none;
position: absolute;
}

/* Show only the (Center Hub) description */
.desc.default {
display: block;
}

/* One description is shown at a time */
.desc.active {
display: block;
opacity: 1;
transform: translateX(0);
position: relative;
}

/* When another sensor is clicked, the default disappears */
.desc:not(.active) {
display: none;
}

/* Sensor Diagram */
.sensor-diagram {
  position: relative;
  width: 450px;
  height: 450px;
}

/* Sensor Icons */
.sensor-icon img {
  position: absolute;
  width: 50px;
  height: 50px;
  transition: transform 0.3s ease-in-out;
  cursor: pointer;
  border-radius: 50%;
}

/* Hover Animation */
.sensor-icon img:hover {
  box-shadow: 0px 0px 15px rgba(49, 112, 253, 0.5); 
  transform: scale(1.2);
}

/* Active state - Always show shadow on the selected icon */
.sensor-icon.active img {
  box-shadow: 0px 0px 15px rgba(49, 114, 253, 0.93); /* Light blue shadow */
  transform: scale(1.2); /* Slightly enlarges the selected icon */
}

/* Positioning Icons */
#sensor-0 img {
  left: 32.5%;
  top: 7.5%;
} /* Seismograph */

#sensor-1 img {
  left: 12.5%;
  top: 22.5%;
} /* Humidity */

#sensor-2 img {
  left: 0%;
  top: 45%;
} /* Fire */

#sensor-3 img {
  left: 12.5%;
  top: 67.5%;
} /* Gas */

#sensor-4 img {
  left: 32.5%;
  top: 85%;
} /* Motion */

#sensor-5 img {
  width: 70px;
  height: 70px;
  left: 30%;
  top: 42.5%;
} /* CenterHub */

#sensor-6 img {
  width: 70px;
  height: 70px;
  left: 60%;
  top: 42.5%;
} /* Database */

#sensor-7 img {
  width: 70px;
  height: 70px;
  left: 90%;
  top: 42.5%;
} /* Database 1 */

#sensor-8 img {
  width: 70px;
  height: 70px;
  left: 90%;
  top: 7.5%;
} /* Data Report */


/* Dashed Line Styling */
.sensor-diagram::before,
.sensor-diagram::after,
.line {
  content: "";
  position: absolute;
  background-color: transparent;
  z-index: -1; /* lines behind icons */
}

/* Connection: CenterHub to Database */
.line-centerhub-database {
  top: 50.5%;
  left: 45%;
  width: 15%;
  height: 0;
  border-top: 1.5px dashed #4a7cc7;
}

/* Connection: Database to Database 1 */
.line-database-database1 {
  top: 50.5%;
  left: 75%;
  width: 15%;
  height: 0;
  border-top: 1.5px dashed #4a7cc7;
}

/* Connection: Database 1 to Data Report */
.line-database1-datareport {
  top: 10%;
  left: 97.5%;
  width: 0;
  height: 40%;
  border-left: 1.5px dashed #4a7cc7;
}

/* Connection: CenterHub to Motion */
.line-centerhub-motion {
  top: 55%;
  left: 37.5%;
  width: 0;
  height: 30%;
  border-left: 1.5px dashed #4a7cc7;
}

/* Connection: CenterHub to Gas */
.line-centerhub-gas {
  top: 52.5%;
  left: 27.5%;
  width: 0;
  height: 20%;
  border-left: 1.5px dashed #4a7cc7;
  transform: rotate(45deg);
}

/* Connection: CenterHub to Fire */
.line-centerhub-fire {
  top: 40.5%;
  left: 20%;
  width: 0;
  height: 20%;
  border-left: 1.5px dashed #4a7cc7;
  transform: rotate(90deg);
}

/* Connection: CenterHub to Humidity */
.line-centerhub-humidity {
  top: 27.5%;
  left: 27.5%;
  width: 0;
  height: 20%;
  border-left: 1.5px dashed #4a7cc7;
  transform: rotate(-45deg);
}

/* Connection: CenterHub to Seismograph */
.line-centerhub-seismograph {
  top: 15%;
  left: 37.5%;
  width: 0;
  height: 30%;
  border-left: 1.5px dashed #4a7cc7;
}

/* =========================================
   New Product Hero Section
   ========================================= */
.product-hero {
    width: 100%;
    min-height: 600px;
    background-color: #111;
    overflow: hidden;
}

.hero-bg-container {
    position: relative;
    width: 100%;
    height: 100%;
}

.hero-bg-img {
    width: 100%;
    height: auto;
    display: block;
    min-height: 600px;
    object-fit: cover;
    filter: brightness(0.8);
}

/* Center Hub */
.hub-marker {
    position: absolute;
    transform: translate(-50%, -50%);
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hub-label {
    background-color: #2563eb; /* Blue-600 */
    color: white;
    padding: 10px 25px;
    border-radius: 30px;
    font-weight: bold;
    font-size: 1.2rem;
    box-shadow: 0 0 20px rgba(37, 99, 235, 0.5);
    position: relative;
}

.hub-label::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    border-width: 8px 8px 0;
    border-style: solid;
    border-color: #2563eb transparent transparent transparent;
}

/* Sensor Markers */
.sensor-marker {
    position: absolute;
    transform: translate(-50%, -50%);
    z-index: 5;
    cursor: pointer;
}

/* Pulse Animation Background */
.sensor-marker::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    background-color: rgba(37, 99, 235, 0.5);
    border-radius: 50%;
    z-index: 1;
    animation: pulse-spread 2s infinite;
}

@keyframes pulse-spread {
    0% {
        width: 100%;
        height: 100%;
        opacity: 0.8;
    }
    100% {
        width: 250%;
        height: 250%;
        opacity: 0;
    }
}

.sensor-icon-circle {
    width: 50px;
    height: 50px;
    background-color: rgba(37, 99, 235, 0.9); /* Blue */
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 15px rgba(37, 99, 235, 0.6);
    transition: transform 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease;
    position: relative;
    z-index: 2;
}

.sensor-icon-circle img {
    width: 36px;
    height: 36px;
    /* filter: brightness(0) invert(1); Removed to show original icon colors */
}

/* Hover Effects: Change to Purple */
.sensor-marker:hover .sensor-icon-circle {
    transform: scale(1.1);
    background-color: #9333ea; /* Purple */
    box-shadow: 0 0 25px rgba(147, 51, 234, 0.8);
}

.sensor-marker:hover::before {
    background-color: rgba(147, 51, 234, 0.5); /* Purple Pulse */
}

/* Hub Color Change on Sensor Hover */
.product-hero:has(.sensor-marker:hover) .hub-label {
    background-color: #9333ea;
    box-shadow: 0 0 20px rgba(147, 51, 234, 0.5);
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.product-hero:has(.sensor-marker:hover) .hub-label::after {
    border-color: #9333ea transparent transparent transparent;
    transition: border-color 0.3s ease;
}

/* Callout Line & Text */
.sensor-callout {
    position: absolute;
    top: 50%;
    left: 100%;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease, transform 0.3s ease;
    margin-left: 15px;
    width: max-content;
}

/* Left Side Callout */
.sensor-callout.left-side {
    left: auto;
    right: 100%;
    margin-left: 0;
    margin-right: 15px;
    flex-direction: row-reverse;
}

.sensor-callout.left-side .callout-line {
    margin-right: 0;
    margin-left: 10px;
}

.sensor-callout.left-side .callout-dot {
    left: auto;
    right: -3px;
}

.sensor-marker:hover .sensor-callout {
    opacity: 1;
    transform: translateY(-50%) translateX(5px);
}

.sensor-marker:hover .sensor-callout.left-side {
    transform: translateY(-50%) translateX(-5px);
}

.callout-line {
    width: 40px;
    height: 2px;
    background-color: #2563eb;
    margin-right: 10px;
    position: relative;
    transition: background-color 0.3s ease;
}

.sensor-marker:hover .callout-line {
    background-color: #9333ea;
}

.callout-dot {
    width: 6px;
    height: 6px;
    background-color: #2563eb;
    border-radius: 50%;
    position: absolute;
    left: -3px; /* Half of dot width */
    top: 50%;
    transform: translateY(-50%);
    transition: background-color 0.3s ease;
}

.sensor-marker:hover .callout-dot {
    background-color: #9333ea;
}

.callout-text {
    color: white;
    font-weight: 600;
    font-size: 1rem;
    text-shadow: 0 2px 4px rgba(0,0,0,0.8);
    background: rgba(0,0,0,0.6);
    padding: 4px 10px;
    border-radius: 4px;
}

/* Communication Waves */
.comm-waves {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 300px; /* Distance to animate */
    height: 60px;
    pointer-events: none;
    transform-origin: left center;
    transform: translateY(-50%) rotate(var(--angle));
    overflow: hidden;
    opacity: 0;
    transition: opacity 0.3s;
    z-index: 1;
}

.sensor-marker:hover .comm-waves {
    opacity: 1;
}

.comm-waves span {
    position: absolute;
    top: 50%;
    left: 0;
    width: 20px;
    height: 40px;
    border-right: 3px solid rgba(255, 255, 255, 0.8);
    border-radius: 0 100% 100% 0 / 0 50% 50% 0; /* Arc shape */
    transform: translateY(-50%);
    opacity: 0;
}

/* Animation for waves */
@keyframes wave-travel {
    0% {
        left: 0;
        opacity: 0;
        transform: translateY(-50%) scale(0.5);
    }
    20% {
        opacity: 1;
    }
    100% {
        left: 100%;
        opacity: 0;
        transform: translateY(-50%) scale(1.2);
    }
}

.sensor-marker:hover .comm-waves span:nth-child(1) {
    animation: wave-travel 1.5s infinite linear;
    animation-delay: 0s;
}
.sensor-marker:hover .comm-waves span:nth-child(2) {
    animation: wave-travel 1.5s infinite linear;
    animation-delay: 0.5s;
}
.sensor-marker:hover .comm-waves span:nth-child(3) {
    animation: wave-travel 1.5s infinite linear;
    animation-delay: 1s;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .product-hero {
        min-height: 400px;
    }
    .sensor-icon-circle {
        width: 35px;
        height: 35px;
    }
    .sensor-icon-circle img {
        width: 18px;
        height: 18px;
    }
    .hub-label {
        font-size: 0.9rem;
        padding: 6px 15px;
    }
    .callout-text {
        font-size: 0.8rem;
    }
}