/* Sticky Header */
.sticky-header {
    position: sticky;
    top: 0;
    z-index: 1030;
    background: rgba(0,87,184,1);
    padding: 12px 0;
    transition: all 0.3s ease;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}
.sticky-header.shrink {
    padding: 6px 0;
    background: rgba(0,87,184,0.85);
    backdrop-filter: blur(5px);
}
.sticky-header .navbar-brand {
    font-size: 1.5rem;
    transition: all 0.3s ease;
}
.sticky-header.shrink .navbar-brand {
    font-size: 1.2rem;
}
.sticky-header .navbar-nav .nav-link {
    padding: 0.35rem 0.5rem;
    transition: all 0.3s ease;
}
.sticky-header.shrink .navbar-nav .nav-link {
    padding: 0.2rem 0.5rem;
    font-size: 0.95rem;
}

/* Hero Section */
.hero {
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    background: linear-gradient(135deg, #0057B8 0%, #0077E6 100%);
    padding: 100px 15px 60px;
}
.hero h1 { font-size: 3rem; font-weight: bold; }
.hero p { font-size: 1.2rem; margin-bottom: 20px; }
.btn-lic {
    background-color: #ffd700;
    color: #0057B8;
    font-weight: bold;
    border-radius: 0.3rem;
}
.btn-lic:hover {
    background-color: #e6c200;
    color: #003974;
}

/* Cards */
.card { 
    background: linear-gradient(135deg, #ffffff, #e6f0ff);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

/* Sticky WhatsApp Button */
.whatsapp-btn {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: #25D366;
    color: white;
    font-size: 2rem;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1050;
    text-decoration: none;
    box-shadow: 0 4px 6px rgba(0,0,0,0.3);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.whatsapp-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 10px rgba(0,0,0,0.4);
}
@media (max-width: 576px) {
    .whatsapp-btn { width: 50px; height: 50px; font-size: 1.5rem; bottom: 15px; right: 15px; }
}

/* Smooth scroll */
body { scroll-behavior: smooth; }


/* Make carousel controls black */
.carousel-control-prev-icon,
.carousel-control-next-icon {
    background-color: rgba(0, 0, 0, 0.6); /* semi-transparent black background */
    border-radius: 50%;
    width: 40px;
    height: 40px;
    background-size: 50% 50%;
}

.carousel-control-prev-icon,
.carousel-control-next-icon {
    background-color: #000; /* solid black */
    border-radius: 50%;
    width: 40px;
    height: 40px;
    background-size: 50% 50%;
}