/* Typography and Global Defaults */
h1,
h2,
h3,
h4,
h5,
h6,
.display-1,
.display-2,
.display-3,
.display-4,
.display-5,
.display-6 {
    letter-spacing: -0.5px;
    font-weight: 700;
}

/* Glassmorphism Navbar (BEM: c-navbar-glass) */
.c-navbar-glass {
    background-color: rgba(255, 255, 255, 0.85) !important;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
}

/* Gradients for UI Elements */
.bg-gradient-corporate {
    background: linear-gradient(135deg, #004a80 0%, #15a29a 100%) !important;
}

.btn-gradient {
    background: linear-gradient(135deg, #004a80 0%, #15a29a 100%);
    color: #fff;
    border: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-gradient:hover {
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(21, 162, 154, 0.4);
}

/* Micro-interacciones in Cards (BEM: c-service-card override) */
.c-service-card {
    transition: transform 0.3s cubic-bezier(0.25, 0.8, 0.25, 1), box-shadow 0.3s ease;
    border-radius: 12px;
    border: 1px solid transparent;
}

.c-service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1) !important;
    border: 1px solid rgba(21, 162, 154, 0.4);
}

/* Stack de acciones en la parte inferior derecha */
.c-whatsapp-btn {
    position: fixed;
    bottom: 90px;
    /* Espacio para el botón de abajo */
    right: 25px;
    z-index: 9999;
    background-color: #25d366;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    color: white;
    text-decoration: none;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.c-whatsapp-btn:hover {
    background-color: #128c7e;
    color: white;
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.5);
}

.c-back-to-top {
    position: fixed;
    bottom: 25px;
    right: 25px;
    z-index: 9999;
    /* Requisito: ambos en 9999 */
    background-color: #004a80;
    width: 50px;
    height: 50px;
    opacity: 0;
    /* JS lo activa al scroll */
    visibility: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    border: none;
    border-radius: 50%;
    transition: all 0.3s ease;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.c-back-to-top.is-visible {
    opacity: 1;
    visibility: visible;
}

.c-back-to-top:hover {
    background-color: #15a29a;
    transform: translateY(-5px);
}