body {
    font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    padding-top: 56px; /* Padding untuk navbar fixed-top */
}

/* Header & Navigasi */
#mainNav {
    background-color: #007bff; /* Warna biru primer */
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    transition: background-color 0.3s ease;
}

#mainNav .navbar-brand {
    font-weight: 700;
}

/* Hero Section */
.masthead {
    height: 100vh;
    min-height: 500px;
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('https://images.unsplash.com/photo-1542744173-8e7e53415bb0?ixlib=rb-1.2.1&auto=format&fit=crop&w=1950&q=80') no-repeat center center;
    background-size: cover;
}

.masthead h1 {
    font-size: 3rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.masthead .btn-primary {
    background-color: #ffc107; /* Warna kuning */
    border-color: #ffc107;
    color: #212529;
    font-weight: bold;
    padding: 10px 30px;
    transition: all 0.3s ease;
}

.masthead .btn-primary:hover {
    background-color: #e0a800;
    border-color: #e0a800;
}

/* Bagian Lain */
.page-section {
    padding: 8rem 0;
}

.page-section.bg-light {
    background-color: #f8f9fa !important;
}

.page-section.bg-dark {
    background-color: #212529 !important;
}

.divider {
    max-width: 3.25rem;
    height: 0.2rem;
    border-radius: 1rem;
    opacity: 1;
}

/* Services Card */
.card {
    border-radius: 10px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 0.5rem 1rem rgba(0,0,0,0.15) !important;
}

/* Testimonials */
.carousel-control-prev-icon,
.carousel-control-next-icon {
    background-color: #007bff;
    border-radius: 50%;
    padding: 15px;
}

/* Footer */
.footer {
    background-color: #0056b3 !important; /* Warna biru lebih gelap */
}

.footer a {
    font-size: 1.5rem;
    transition: color 0.3s ease;
}

.footer a:hover {
    color: #ffc107 !important;
}