/* Reset CSS - Normalización de estilos base */

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-normal);
    line-height: var(--line-height-base);
    color: var(--text-color);
    background-color: var(--bg-color);
    transition: background-color var(--transition-duration) ease,
                color var(--transition-duration) ease;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
}

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}

ul {
    list-style: none;
}

input,
textarea {
    font-family: inherit;
    font-size: inherit;
}

/* Accesibilidad */
*:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Scroll personalizado */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-color-alt);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color-dark);
}