.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 0.625rem 0;
    background: var(--light);
    z-index: 1000;
    transition: top 0.3s ease-in-out, opacity 0.3s ease-in-out;
    opacity: 1;
    pointer-events: auto;
}
.navbar.hidden {
    top: -3.125rem;
    opacity: 0;
    pointer-events: none;
}
.navbar-nav .nav-link {
    font-size: 1.125rem;
    font-weight: 500;
    padding: 0.5rem 0.9375rem;
    color: var(--dark);
    transition: var(--transition);
}
.navbar-nav .nav-link:hover {
    color: var(--primary);
}
.navbar-toggler {
    border: none;
}
.dropdown-menu {
    min-width: 12rem;
}
.dropdown-item {
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.dark-mode {
    background-color: #121212 !important;
    color: #f1f1f1 !important;
}
.dark-mode .navbar {
    background-color: #181818 !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.7);
    border-bottom: 1px solid #333;
    transition: background-color 0.3s ease;
}
.dark-mode .nav-link {
    color: #e0e0e0 !important;
    transition: color 0.3s ease;
}
.dark-mode .nav-link:hover,
.dark-mode .nav-link:focus {
    color: #4ea1d3 !important;
    outline: none;
}
.dark-mode .navbar-toggler {
    border-color: #4ea1d3 !important;
    color: #4ea1d3 !important;
    transition: border-color 0.3s ease, color 0.3s ease;
}
.dark-mode .navbar-toggler:hover,
.dark-mode .navbar-toggler:focus {
    border-color: #76b7f0 !important;
    color: #76b7f0 !important;
    outline: none;
}
.dark-mode .dropdown-menu {
    background-color: #1f1f1f;
    border: 1px solid #444;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.8);
}
.dark-mode .dropdown-item {
    color: #ddd;
    transition: background-color 0.2s ease, color 0.2s ease;
}
.dark-mode .dropdown-item:hover,
.dark-mode .dropdown-item:focus {
    background-color: #333;
    color: #4ea1d3;
    outline: none;
}
.dark-mode .nav-link .fas,
.dark-mode .nav-link .far,
.dark-mode .nav-link .fab {
    color: #e0e0e0;
    transition: color 0.3s ease;
}
.dark-mode .nav-link:hover .fas,
.dark-mode .nav-link:hover .far,
.dark-mode .nav-link:hover .fab {
    color: #4ea1d3;
}
.dark-mode .navbar input::placeholder {
    color: #aaa;
    opacity: 1;
}
.dark-mode h1,
.dark-mode h2,
.dark-mode h3,
.dark-mode h4,
.dark-mode h5,
.dark-mode h6,
.dark-mode p,
.dark-mode span,
.dark-mode a,
.dark-mode li,
.dark-mode label,
.dark-mode button,
.dark-mode input,
.dark-mode textarea {
    color: #f1f1f1;
}
.dark-mode a {
    color: #4ea1d3 !important;
    text-decoration: none;
}
.contraste-alto {
    filter: contrast(180%) brightness(1.3);
    background-color: #000 !important;
    color: #fff !important;
    outline: 2px solid #4ea1d3 !important;
    text-shadow: 0 0 3px rgba(0, 0, 0, 0.8);
    transition: filter 0.3s ease, background-color 0.3s ease, color 0.3s ease;
    font-family: Arial, Helvetica, sans-serif !important;
}
.navbar.fade-in {
    animation: fadeInDown 0.8s ease forwards;
}
@keyframes fadeInDown {
    from {
        top: -100px;
        opacity: 0;
    }
    to {
        top: 0;
        opacity: 1;
    }
}
html {
    font-size: 100%;
}
.btn-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.85rem;
}
.nav-item .btn-outline-dark,
.nav-item .btn-outline-warning {
    border-radius: 0.375rem;
    padding: 0.3rem 0.5rem;
}
.dark-mode #faq h2 {
    color: #003366 !important;
}
.dark-mode #faq h2 strong {
    color: #0039b4 !important;
}
.dark-mode #faq h2 span {
    color: #003366 !important;
}
.dark-mode #faq .faq-question,
.dark-mode #faq .faq-question:hover,
.dark-mode #faq .faq-question:focus {
    color: #0039b4 !important;
    background: transparent;
    border: none;
    text-decoration: none;
    outline: none;
}
.dark-mode #faq a {
    color: #0039b4 !important;
    text-decoration: none;
}
.dark-mode #faq a:hover,
.dark-mode #faq a:focus {
    color: #0056a3 !important;
}
#whats .btn {
    max-width: 180px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}