:root {
    --cruz-blanca-blue: #0056b3;
    --bupa-green: #00a859;
    --professional-gray: #6c757d;
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    margin: 0;
    padding: 0;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
}

.navbar-nav .nav-link {
    font-weight: 500;
    transition: color 0.3s ease;
}

.navbar-nav .nav-link:hover {
    color: var(--cruz-blanca-blue) !important;
}

.card {
    border: none;
    border-radius: 15px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1) !important;
}

.card-header {
    border-radius: 15px 15px 0 0 !important;
    font-weight: 600;
}

.btn-primary {
    background: linear-gradient(135deg, var(--cruz-blanca-blue) 0%, var(--bupa-green) 100%);
    border: none;
    border-radius: 10px;
    font-weight: 600;
    padding: 12px 30px;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 86, 179, 0.3);
}

.btn-success {
    background-color: var(--bupa-green);
    border: none;
    border-radius: 10px;
    font-weight: 600;
    padding: 12px 30px;
    transition: all 0.3s ease;
}

.btn-success:hover {
    background-color: #008f4c;
    transform: translateY(-2px);
}

.form-control, .form-select {
    border-radius: 10px;
    border: 2px solid #e9ecef;
    padding: 12px 15px;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.form-control:focus, .form-select:focus {
    border-color: var(--cruz-blanca-blue);
    box-shadow: 0 0 0 0.2rem rgba(0, 86, 179, 0.25);
    outline: none;
}

.form-control.is-invalid, .form-select.is-invalid {
    border-color: #dc3545;
}

.form-text {
    font-size: 0.85rem;
    color: #6c757d;
}

.social-links a {
    transition: all 0.3s ease;
    display: inline-block;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.social-links a:hover {
    transform: translateY(-3px);
    background: rgba(255,255,255,0.2);
}

.badge {
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    padding: 8px 15px;
}

.alert {
    border-radius: 10px;
    border: none;
    font-weight: 500;
}

.accordion-button {
    font-weight: 600;
    border-radius: 10px !important;
    padding: 1rem 1.25rem;
}

.accordion-button:not(.collapsed) {
    background-color: var(--cruz-blanca-blue);
    color: white;
    box-shadow: none;
}

.accordion-body {
    line-height: 1.7;
}

.trust-signals small {
    font-size: 0.9rem;
    font-weight: 500;
}

.contact-info p {
    margin-bottom: 0.5rem;
}

.contact-info i {
    width: 20px;
}

/* Animaciones suaves */
.fade-in {
    animation: fadeIn 0.8s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Scroll suave */
html {
    scroll-behavior: smooth;
}

/* Mejoras de accesibilidad */
@media (prefers-reduced-motion: reduce) {
    .card, .btn-primary, .social-links a, .navbar-nav .nav-link {
        transition: none;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* Focus visible para accesibilidad */
button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible {
    outline: 2px solid var(--cruz-blanca-blue);
    outline-offset: 2px;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .display-4 {
        font-size: 2rem;
    }
    
    .card {
        margin-top: 2rem;
    }
    
    .btn-primary, .btn-success {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    .navbar-brand {
        font-size: 1.2rem;
    }
    
    .trust-signals {
        text-align: center;
    }
    
    .trust-signals small {
        display: block;
        margin: 5px 0;
    }
}

@media (max-width: 576px) {
    .container {
        padding-left: 15px;
        padding-right: 15px;
    }
    
    .card-body {
        padding: 1.5rem;
    }
    
    h1.display-4 {
        font-size: 1.8rem;
    }
}

/* ===== NUEVOS ESTILOS PARA TARJETAS ===== */
.card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: none;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15) !important;
}

.card-img-alargada-container {
    height: 160px;
    overflow: hidden;
    position: relative;
}

.card-img-alargada {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.card:hover .card-img-alargada {
    transform: scale(1.05);
}

/* Responsive */
@media (max-width: 768px) {
    .card-img-alargada-container {
        height: 140px;
    }
}


/* Print styles */
@media print {
    .btn, .navbar, footer, .alert {
        display: none;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
    
    body {
        color: #000;
        background: #fff;
    }
}

/* Loading states */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid var(--cruz-blanca-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}