html {
  font-size: 14px;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

html {
  position: relative;
  min-height: 100%;
}

body {
  margin-bottom: 60px;
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
  color: var(--bs-secondary-color);
  text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
  text-align: start;
}

/* BlueSoft Solutions - Design Tokens CSS
   Identity: Technical Brutalism / Engineering Precision
*/

:root {
    /* Paleta de Colores (Brand UI Kit) [cite: 7] */
    --primary-blue: #0046FF; /* Acento principal y fondos de testimonios */
    --black: #000000; /* Texto principal y bordes estructurales */
    --white: #FFFFFF; /* Fondos base y texto sobre azul */
    --bg-secondary: #F8F9FA; /* Fondos de tarjetas (Core Solutions) */
    --text-secondary: #525252; /* Descripciones y detalles */
    /* Auditoría de Componentes  */
    --main-border: 2px solid var(--black);
    --border-radius: 0px; /* Brutalismo técnico: sin curvas */
    --box-shadow: none; /* Flat Design: precisión de ingeniería */
}

/* Configuración Global */
* {
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif; /*  */
    font-size: 18px; /*  */
    line-height: 1.5; /* [cite: 5, 16] */
    color: var(--text-secondary); /* [cite: 16] */
    background-color: var(--white); /* [cite: 7] */
    margin: 0;
}

/* Tipografía [cite: 5, 15] */
h1 {
    font-weight: 900; /* Black */
    font-size: 85px;
    line-height: 0.9;
    letter-spacing: -0.04em;
    color: var(--black);
    text-transform: none;
    margin-bottom: 2rem;
}

h2, h3 {
    font-weight: 800; /* Extra Bold */
    font-size: 40px;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--black);
}

/* Componentes de Interfaz */
.card-product {
    background-color: var(--bg-secondary); /* [cite: 18] */
    border: var(--main-border); /* [cite: 19] */
    border-radius: var(--border-radius);
    padding: 24px;
    box-shadow: var(--box-shadow);
}

button, .nav-link {
    font-weight: 700; /* Bold */
    font-size: 14px;
    text-transform: uppercase; /*  */
    letter-spacing: 0.1em;
    /*background-color: var(--black);*/
    /*color: var(--white);*/
    /*border: var(--main-border);*/
    border-radius: var(--border-radius);
    padding: 12px 24px;
    cursor: pointer;
}

/* Tratamiento de Imágenes [cite: 12] */
img {
    object-fit: cover;
    /*border: var(--main-border);*/
}

/* Secciones Especiales */
.section-testimonials {
    background-color: var(--primary-blue); /* [cite: 7] */
    color: var(--white);
}