:root {
    --primary-color: #0D6EFD;
    --secondary-color: #6C757D;
    --background-color: #F8F9FA;
    --surface-color: #FFFFFF;
    --primary-font: 'Poppins', sans-serif;
}

body {
    font-family: var(--primary-font);
    background: linear-gradient(270deg, #a1c4fd, #c2e9fb);
    background-size: 400% 400%;
    animation: moveGradient 15s ease infinite;
}

@keyframes moveGradient {
    0%{background-position:0% 50%}
    50%{background-position:100% 50%}
    100%{background-position:0% 50%}
}

.hero-section {
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('https://picsum.photos/seed/nimbus-hero/1600/900');
    background-size: cover;
    background-position: center;
    color: white;
    padding: 10rem 0;
}

.navbar.scrolled {
    background-color: rgba(255, 255, 255, 0.9);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.form-control:focus {
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
    border-color: #86b7fe;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.section-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
}

.feature-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px); /* For Safari */
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 12px rgba(0, 0, 0, 0.15);
}

.hero-section .btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    padding: 12px 30px;
    font-weight: 600;
    transition: background-color 0.3s ease;
}

.hero-section .btn-primary:hover {
    background-color: #0b5ed7;
}

.hero-section .btn-outline-secondary {
    color: white;
    border-color: white;
    padding: 12px 30px;
    font-weight: 600;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.hero-section .btn-outline-secondary:hover {
    background-color: white;
    color: black;
}