body { font-family: 'Roboto', sans-serif; scroll-behavior: smooth; }
.navbar { background: rgba(255,255,255,0.95); backdrop-filter: blur(10px); }
.hero {
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.7)), url('/media/photo-1570129477492-45c003edd2be_1920.jpg') center/cover no-repeat;
    min-height: 100vh; color: #fff;
}
.hero .lead { font-weight: 500; }
.btn-primary { background-color: #28a745; border: none; padding: 12px 30px; font-weight: 600; }
.btn-primary:hover { background-color: #218838; }
.section-title { font-weight: 700; font-size: 2.5rem; }
.card-benefit { transition: transform .3s; }
.card-benefit:hover { transform: translateY(-10px); }
.bg-green-light { background-color: #f8fff9; }
footer { background-color: #1a1a1a; }
a.text-success { text-decoration: underline; }
.carousel-caption {
    background: rgba(0,0,0,0.55);
    border-radius: 0.75rem;
    padding: 0.75rem 1.25rem;
}
#scrollTopBtn {
    position: fixed;
    bottom: 30px;
    right: 25px;
    z-index: 1050;
    width: 52px;
    height: 52px;
    border: none;
    border-radius: 50%;
    background: rgba(40,167,69,0.9);
    color: #fff;
    font-size: 1.5rem;
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
    opacity: 0;
    pointer-events: none;
    transition: opacity .3s ease, transform .3s ease;
}
#scrollTopBtn.show {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}
#scrollTopBtn:hover {
    background: #218838;
    transform: translateY(-4px);
}

/* Logo icon in navbar: scale to the brand text size and keep aspect ratio */
.navbar-brand {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
}

.navbar-brand .brand-icon {
    height: 1.5em; /* match roughly the text line-height */
    width: auto;   /* keep aspect ratio */
    object-fit: contain;
    display: block;
    border-radius: 6px;
}

@media (max-width: 576px) {
    .navbar-brand .brand-icon { height: 1.5em; }
}