/* =============================================
   Estilos globales y layout
   ============================================= */
body {
    padding-top: 70px;
    margin: 0;
    font-family: 'Helvetica Neue', Arial, sans-serif;
    color: #333;
    line-height: 1.6;
}

section {
    scroll-margin-top: 70px;
    padding: 60px 0;
}

/* =============================================
   Sección Home: degradado y partículas
   ============================================= */
#home {
    background: linear-gradient(135deg, #2e3abb 0%, #2745b0 100%);
    color: #fff;
    position: relative;
    overflow: hidden;
}

    #home::after {
        content: "";
        background: url('/images/particles.png') center/cover no-repeat;
        opacity: 0.2;
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        z-index: 0;
    }

    #home .container {
        position: relative;
        z-index: 1;
    }

    /* Título grande con subrayado animado */
    #home h1 {
        font-size: 3rem;
        font-weight: 500;
        display: inline-block;
        position: relative;
    }

        #home h1::after {
            content: "";
            position: absolute;
            height: 3px;
            width: 50%;
            background: #ffcc00;
            bottom: -8px;
            left: 0;
            transition: width .5s ease;
        }

        #home h1:hover::after {
            width: 100%;
        }

    /* Párrafos y botón de llamada */
    #home p {
        font-size: 1.125rem;
    }

.btn-contact {
    border-radius: 50px;
    padding: .5rem 1.5rem;
    background: #fff;
    color: #2745b0;
    font-weight: 500;
    transition: background .3s ease, color .3s ease;
}

    .btn-contact:hover {
        background: #2745b0;
        color: #fff;
    }

/* =============================================
   Navbar transparente y animación de subrayado
   ============================================= */
.navbar {
    background: transparent;
}

.navbar-brand {
    font-size: 1.75rem;
    font-weight: bold;
    color: #fff;
}

.navbar-nav .nav-link {
    color: #fff;
    font-weight: 500;
    padding: .5rem 1rem;
    position: relative;
}

    .navbar-nav .nav-link::after {
        content: "";
        position: absolute;
        height: 2px;
        width: 0;
        background: #ffcc00;
        bottom: 0;
        left: 50%;
        transition: width .3s ease, left .3s ease;
    }

    .navbar-nav .nav-link:hover::after,
    .navbar-nav .nav-link.active::after {
        width: 60%;
        left: 20%;
    }

/* =============================================
   Sección Nosotros
   ============================================= */
#nosotros {
    background: #f8f9fa;
}

    #nosotros h2 {
        font-size: 2.5rem;
        font-weight: 500;
    }

    #nosotros a {
        color: #2745b0;
    }

/* =============================================
   Sección Servicios
   ============================================= */
#servicios h2 {
    font-size: 2.5rem;
    font-weight: 500;
}

#servicios ul {
    list-style: none;
    padding: 0;
}

#servicios li {
    margin-bottom: .5rem;
    font-size: 1.125rem;
}

/* =============================================
   Sección Contacto
   ============================================= */
#contacto h2 {
    font-size: 2.5rem;
    font-weight: 500;
}

#contacto label {
    font-weight: 500;
}

#contacto input,
#contacto textarea {
    border-radius: .25rem;
}

/* =============================================
   Footer
   ============================================= */
footer {
    background: #333;
    color: #fff;
    padding: 20px 0;
}

    footer .container {
        text-align: center;
        font-size: .875rem;
    }