/**
 * Reset ligero + tipografía base + fundamentos de accesibilidad.
 * Mobile-first: los estilos base son para pantallas pequeñas.
 */

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

html {
	-webkit-text-size-adjust: 100%;
	scroll-behavior: smooth;
}

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

body {
	margin: 0;
	background-color: var(--color-bg);
	color: var(--color-text);
	font-family: var(--font-body);
	font-size: var(--text-base);
	line-height: var(--leading-normal);
	-webkit-font-smoothing: antialiased;
	text-rendering: optimizeLegibility;
}

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

h1, h2, h3, h4, h5, h6 {
	font-family: var(--font-heading);
	color: var(--color-text);
	line-height: var(--leading-tight);
	margin: 0 0 var(--space-sm);
	font-weight: 600;
}

h1 { font-size: var(--text-3xl); }
h2 { font-size: var(--text-2xl); }
h3 { font-size: var(--text-xl); }
h4 { font-size: var(--text-lg); }

p {
	margin: 0 0 var(--space-sm);
	max-width: 68ch;
}

ul, ol {
	margin: 0 0 var(--space-sm);
	padding-left: 1.25em;
}

a {
	color: var(--color-cta);
	text-decoration-thickness: 1.5px;
	text-underline-offset: 3px;
	transition: color var(--transition-fast);
}

a:hover,
a:focus-visible {
	color: var(--color-cta-hover);
}

/* Foco visible consistente en toda la interfaz — nunca "outline: none" sin reemplazo */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
[tabindex]:focus-visible {
	outline: 3px solid var(--color-focus);
	outline-offset: 3px;
	border-radius: var(--radius-sm);
}

button,
input,
textarea,
select {
	font-family: inherit;
	font-size: 1rem;
}

/* Enlace "saltar al contenido" — visible solo con foco de teclado */
.skip-link {
	position: absolute;
	top: -100%;
	left: var(--space-sm);
	z-index: 1000;
	background: var(--color-wine);
	color: var(--color-white);
	padding: 0.75em 1.25em;
	border-radius: var(--radius-sm);
	text-decoration: none;
}

.skip-link:focus {
	top: var(--space-sm);
}

/* Utilidad para texto solo-lector-de-pantalla */
.screen-reader-text {
	border: 0;
	clip: rect(1px, 1px, 1px, 1px);
	clip-path: inset(50%);
	height: 1px;
	margin: -1px;
	overflow: hidden;
	padding: 0;
	position: absolute;
	width: 1px;
	word-wrap: normal !important;
}

::selection {
	background: var(--color-gold);
	color: var(--color-ink);
}