/* Features Page Styles */

.features-hero {
    background: linear-gradient(135deg, #00727C 0%, #004d54 100%);
    color: white;
    padding: 120px 20px 80px;
    text-align: center;
}

.features-hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
    font-weight: 700;
}

.features-hero .hero-subtitle {
    font-size: 22px;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

/* Features Grid */
.features-grid-section {
    padding: 80px 20px;
    background: #f8f9fa;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    font-size: 48px;
    display: block;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 24px;
    color: #00727C;
    margin-bottom: 10px;
}

.feature-summary {
    font-size: 17px;
    color: #666;
    margin-bottom: 20px;
    font-weight: 500;
}

.feature-details {
    font-size: 16px;
    color: #555;
    line-height: 1.8;
}

.feature-details p {
    margin: 0;
}

/* Sensor Modules Section */
.sensor-modules {
    padding: 80px 20px;
    background: white;
}

.sensor-modules h2 {
    text-align: center;
    font-size: 36px;
    color: #4F4B45;
    margin-bottom: 50px;
}

.modules-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.module-card {
    background: #f8f9fa;
    padding: 40px;
    border-radius: 10px;
    text-align: center;
    position: relative;
    border: 2px solid transparent;
    transition: all 0.3s;
}

.module-card:hover {
    border-color: #00727C;
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.module-card h3 {
    font-size: 22px;
    color: #4F4B45;
    margin-bottom: 20px;
}

.module-icon {
    font-size: 64px;
    margin-bottom: 25px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.module-icon img {
    width: 80px;
    height: 80px;
    object-fit: contain;
}

.module-features {
    list-style: none;
    padding: 0;
    margin: 0 0 20px 0;
    text-align: left;
}

.module-features li {
    padding: 8px 0;
    color: #555;
    font-size: 16px;
    position: relative;
    padding-left: 25px;
}

.module-features li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #00727C;
    font-weight: bold;
}

.module-badge {
    display: inline-block;
    padding: 8px 20px;
    background: #00727C;
    color: white;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-top: 10px;
}

.module-badge.optional {
    background: #FFC72C;
    color: #4F4B45;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    padding: 80px 20px;
    text-align: center;
}

.cta-section h2 {
    font-size: 36px;
    color: #4F4B45;
    margin-bottom: 20px;
}

.cta-section p {
    font-size: 20px;
    color: #666;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-section .cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Responsive */
@media (max-width: 768px) {
    .features-hero h1 {
        font-size: 36px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .modules-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-section .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-section .btn {
        width: 100%;
        max-width: 300px;
    }
}