/**
 * CheckToBuild - CSS Reset & Base Styles
 * Normalize + custom reset para consistencia cross-browser
 * 
 * @package CheckToBuild
 * @since 2.0.0
 */

/* ===========================
   RESET BASE
   =========================== */

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

html {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-normal);
    color: var(--text-dark);
    background: var(--bg-white);
    overflow-x: hidden;
}

/* ===========================
   TIPOGRAFÍA BASE
   =========================== */

h1, h2, h3, h4, h5, h6 {
    margin: 0;
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    color: var(--text-dark);
}

p {
    margin: 0;
    line-height: var(--line-height-relaxed);
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color var(--transition-base);
}

a:hover {
    color: var(--primary-hover);
}

/* ===========================
   LISTAS
   =========================== */

ul, ol {
    margin: 0;
    padding: 0;
    list-style: none;
}

/* ===========================
   IMÁGENES Y MEDIA
   =========================== */

img,
picture,
video,
canvas,
svg {
    display: block;
    max-width: 100%;
    height: auto;
}

img {
    border-style: none;
}

/* ===========================
   FORMULARIOS
   =========================== */

button,
input,
optgroup,
select,
textarea {
    font-family: inherit;
    font-size: 100%;
    line-height: inherit;
    margin: 0;
}

button,
input {
    overflow: visible;
}

button,
select {
    text-transform: none;
}

button,
[type="button"],
[type="reset"],
[type="submit"] {
    -webkit-appearance: button;
    cursor: pointer;
}

button::-moz-focus-inner,
[type="button"]::-moz-focus-inner,
[type="reset"]::-moz-focus-inner,
[type="submit"]::-moz-focus-inner {
    border-style: none;
    padding: 0;
}

button:-moz-focusring,
[type="button"]:-moz-focusring,
[type="reset"]:-moz-focusring,
[type="submit"]:-moz-focusring {
    outline: 1px dotted ButtonText;
}

textarea {
    overflow: auto;
    resize: vertical;
}

/* ===========================
   TABLAS
   =========================== */

table {
    border-collapse: collapse;
    border-spacing: 0;
}

/* ===========================
   ELEMENTOS HTML5
   =========================== */

article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
main,
menu,
nav,
section {
    display: block;
}

/* ===========================
   ELEMENTOS INTERACTIVOS
   =========================== */

summary {
    display: list-item;
    cursor: pointer;
}

template {
    display: none;
}

[hidden] {
    display: none !important;
}

/* ===========================
   ACCESIBILIDAD
   =========================== */

/* Skip to content link */
.skip-to-content {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary);
    color: var(--white);
    padding: var(--space-2) var(--space-4);
    text-decoration: none;
    z-index: var(--z-tooltip);
}

.skip-to-content:focus {
    top: 0;
}

/* Screen reader only content */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* ===========================
   FOCUS STATES
   =========================== */

:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

:focus:not(:focus-visible) {
    outline: none;
}

:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* ===========================
   SELECCIÓN DE TEXTO
   =========================== */

::selection {
    background: var(--primary);
    color: var(--white);
}

::-moz-selection {
    background: var(--primary);
    color: var(--white);
}

/* ===========================
   SCROLLBAR (Webkit)
   =========================== */

::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--border-medium);
    border-radius: var(--border-radius-sm);
}

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

/* ===========================
   SMOOTH ANIMATIONS
   =========================== */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}