body {
    padding-top: 56px; /* Adjust for fixed navbar */
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.hero-section {
    position: relative;
    padding: 10rem 0;
    background-image: url('hero-bg.png');
    background-size: cover;
    background-position: center;
    color: white;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(29, 53, 87, 0.6); /* Dark blue overlay */
    z-index: 1;
}

.hero-section .container {
    position: relative;
    z-index: 2;
}

.feature-card {
    border: none;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.feature-icon {
    width: 64px;
    height: 64px;
    margin-bottom: 1rem;
}

.btn-primary {
    background-color: #457B9D; /* A calming blue */
    border-color: #457B9D;
}

.btn-primary:hover {
    background-color: #1D3557; /* A darker blue */
    border-color: #1D3557;
}

.nav-link.btn-primary {
    padding-left: 1rem;
    padding-right: 1rem;
}

#security {
    background-color: #f1faee !important; /* A light, trustworthy green-ish color */
    border: 1px solid #e0e0e0;
}

.text-primary {
    color: #457B9D !important;
}

footer.bg-dark {
    background-color: #1D3557 !important; /* Dark blue for footer */
}

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}