/* ================= IoT Page Global Styles ================= */
.iot-page {
    font-family: 'Segoe UI', sans-serif;
    color: #1d3557;
    background: #ffffff;
    line-height: 1.6;
    overflow-x: hidden;
}

/* ================= Hero Section ================= */
.iot-page .hero {
    position: relative;
    text-align: center;
    padding: 120px 20px;
    color: #ffffff;
    overflow: hidden;
}

.iot-page .bg-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
    opacity: 0.7;
}

.iot-page .hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.iot-page .hero h1 {
    font-size: 2.8rem;
    margin-bottom: 20px;
    font-weight: 700;
}

.iot-page .hero p {
    font-size: 1.2rem;
}

/* ================= IoT Features Section ================= */
.iot-page .iot-features {
    padding: 80px 20px;
    background: #f8f9fa;
    text-align: center;
}

.iot-page .iot-features h2 {
    font-size: 2.3rem;
    font-weight: 600;
    margin-bottom: 50px;
    color: #1d3557;
    position: relative;
}

.iot-page .iot-features h2::after {
    content: "";
    display: block;
    width: 80px;
    height: 4px;
    background: #007bff;
    margin: 15px auto 0;
    border-radius: 2px;
}

.iot-page .features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    max-width: 1100px;
    margin: 0 auto;
}

.iot-page .feature-card {
    background: #ffffff;
    padding: 30px 20px;
    border-radius: 15px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.iot-page .feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 18px rgba(0,0,0,0.12);
}

.iot-page .feature-icon {
    font-size: 2.5rem;
    color: #007bff;
    margin-bottom: 15px;
}

.iot-page .feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: #1d3557;
}

.iot-page .feature-card p {
    font-size: 1rem;
    color: #444;
}

/* ================= IoT Solutions (Business Benefits) ================= */
.iot-page .iot-benefits {
    padding: 90px 20px;
    background: linear-gradient(135deg, #f8fbff, #eef4ff);
    text-align: center;
    position: relative;
    overflow: hidden;
}

/* Abstract background image (subtle tech pattern) */
.iot-page .iot-benefits::before {
    content: "";
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: url('/image/tech-pattern.png') center/cover no-repeat;
    opacity: 0.08;
    z-index: 0;
}

.iot-page .iot-benefits h2 {
    font-size: 2.3rem;
    font-weight: 600;
    margin-bottom: 50px;
    color: #1d3557;
    position: relative;
    z-index: 1;
}

.iot-page .iot-benefits h2::after {
    content: "";
    display: block;
    width: 80px;
    height: 4px;
    background: #007bff;
    margin: 15px auto 0;
    border-radius: 2px;
}

.iot-page .benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1100px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.iot-page .benefit-card {
    background: #ffffff;
    padding: 40px 25px;
    border-radius: 16px;
    box-shadow: 0 6px 18px rgba(0,0,0,0.08);
    transition: all 0.8s ease;
    opacity: 0;
    transform: translateY(40px);
    text-align: center;
}

.iot-page .benefit-card.show {
    opacity: 1;
    transform: translateY(0);
}

.iot-page .benefit-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.12);
}

.iot-page .benefit-icon {
    font-size: 3rem;
    color: #007bff;
    margin-bottom: 20px;
}

.iot-page .benefit-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #1d3557;
    font-weight: 600;
}

.iot-page .benefit-card p {
    font-size: 1rem;
    color: #444;
    line-height: 1.6;
}

/* ================= Footer Fix ================= */
.iot-page footer {
    margin-top: 50px;
}