:root {
    --primary-color: #FF6B35;
    --primary-hover: #E55627;
    --secondary-color: #FF9E1F;
    --dark-color: #2c3e50;
    --light-color: #F7F7F7;
    --text-color: #333333;
    --text-light: #777777;    
}

/* Sticky Footer */
html, body {
    height: 100%;
    margin: 0;
    padding: 0;
}

/* Estilos generales */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--light-color);
    color: var(--text-color);
    display: flex;
    flex-direction: column;
}

/* Navbar */
.navbar-brand {
    font-weight: 700;
    color: var(--primary-color);
    font-size: 1.5rem;
}

.nav-link {
    font-weight: 500;
    position: relative;
}

.nav-link:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width 0.3s;
}

.nav-link:hover:after {
    width: 100%;
}

/* Boton modo oscuro / claro */
.theme-switcher {
    cursor: pointer;
    padding: 8px 15px;
    border-radius: 30px;
    background-color: var(--dark-color);
    color: white;
    border: none;
    display: flex;
    align-items: center;
    transition: all 0.3s;
}

.theme-switcher:hover {
    background-color: var(--primary-color);
}

/* Contenido del sitio  */
.content {
    flex: 1 0 auto;
    padding: 0;
    margin: 0;
    width: 100%;
}

/* Footer */
footer {
    background-color: var(--dark-color);
    color: white;
    padding: 60px 0 30px;
    position: relative;
}
footer hr {
    border-color: rgba(255,255,255,0.1);
}
footer:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}
footer .icon-size {
    font-size: 1.5rem;
}
.footer-links a {
    color: #bdc3c7;
    text-decoration: none;
    display: block;
    margin-bottom: 10px;
    transition: all 0.3s;
}

.footer-links a:hover {
    color: white;
    padding-left: 5px;
}

/* Estilos generales para el modo oscuro */
body.dark-mode {
    --dark-color: #121212;
    --light-color: #1E1E1E;
    --text-color: #F0F0F0;
    --text-light: #AAAAAA;
    background-color: var(--dark-color);
    color: #ffffff;
    
}

body.dark-mode .navbar-dark {
    background-color: var(--light-color);
}

body.dark-mode .btn-outline-light {
    color: var(--text-color);
    border-color: var(--text-color);
}

body.dark-mode footer {
    background-color: var(--dark-color);
}