/**
 * Reset ligero y elementos base.
 */

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

html {
	-webkit-text-size-adjust: 100%;
	scroll-behavior: smooth;
	/* Varios bloques del diseño se salen por la derecha a propósito; el
	   documento nunca debe desplazarse en horizontal por eso. */
	overflow-x: clip;
}

body {
	margin: 0;
	background: var(--c-bg);
	color: var(--c-text);
	font-family: var(--font);
	font-size: var(--fs-body);
	font-weight: var(--fw-light);
	line-height: var(--lh-body);
	-webkit-font-smoothing: antialiased;
	text-rendering: optimizeLegibility;
	overflow-x: hidden;
}

/* Al abrir el menú se congela el scroll de la página. */
body.silo-nav-open {
	overflow: hidden;
}

h1,
h2,
h3,
h4,
p,
figure,
blockquote,
ul,
ol {
	margin: 0;
}

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

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

a {
	color: inherit;
	text-decoration: none;
	transition: opacity var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

a:hover {
	opacity: 0.65;
}

button {
	font: inherit;
	color: inherit;
	background: none;
	border: 0;
	padding: 0;
	cursor: pointer;
}

:focus-visible {
	outline: 2px solid currentColor;
	outline-offset: 4px;
}

/* Compensa la altura del header fijo al saltar a un ancla, más la de la barra
   de administración cuando la hay. Se descuenta la banda compacta, que es la
   que está a la vista una vez que se dejó atrás el hero. */
[id] {
	scroll-margin-top: calc(var(--header-h-compact) + var(--admin-bar-h, 0px));
}

/* --- Utilidades ----------------------------------------------------------- */

.silo-container {
	width: min(var(--content), 100% - 2 * var(--pad));
	margin-inline: auto;
}

.silo-visually-hidden {
	position: absolute;
	width: 1px;
	height: 1px;
	margin: -1px;
	padding: 0;
	overflow: hidden;
	clip-path: inset(50%);
	white-space: nowrap;
	border: 0;
}

.silo-skip-link {
	position: absolute;
	top: var(--s-2);
	left: var(--s-2);
	z-index: calc(var(--z-overlay) + 1);
	padding: var(--s-2) var(--s-3);
	background: var(--c-black);
	color: var(--c-white);
	font-size: var(--fs-sm);
	transform: translateY(-200%);
	transition: transform var(--t-fast) var(--ease);
}

.silo-skip-link:focus {
	transform: translateY(0);
}

/* --- Tipografía compartida ------------------------------------------------ */

.silo-section-title {
	font-size: var(--fs-display);
	font-weight: var(--fw-light);
	line-height: var(--lh-display);
	letter-spacing: -0.01em;
}

.silo-label {
	font-size: var(--fs-md);
	font-weight: var(--fw-light);
}

.silo-claim {
	font-size: var(--fs-claim);
	font-weight: var(--fw-light);
	line-height: 1.2;
}

.silo-claim strong,
.silo-claim b {
	font-weight: var(--fw-bold);
}

/* --- Botones -------------------------------------------------------------- */

.silo-button {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: clamp(9rem, 10.78vw, 12.94rem); /* 207px */
	min-height: clamp(2.75rem, 2.97vw, 3.5625rem); /* 57px */
	padding: 0 var(--s-4);
	border-radius: var(--radius-pill);
	font-size: var(--fs-body);
	font-weight: var(--fw-light);
	letter-spacing: var(--ls-wide);
	text-align: center;
	text-transform: uppercase;
	transition: background-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease),
		border-color var(--t-fast) var(--ease);
}

.silo-button:hover {
	opacity: 1;
}

.silo-button--outline {
	border: 1px solid var(--c-black);
	color: var(--c-black);
}

.silo-button--outline:hover {
	background: var(--c-black);
	color: var(--c-white);
}

.silo-button--outline-light {
	border: 1px solid var(--c-white);
	color: var(--c-white);
}

.silo-button--outline-light:hover {
	background: var(--c-white);
	color: var(--c-black);
}

.silo-button--dark {
	background: var(--c-black);
	color: var(--c-white);
	border: 1px solid var(--c-black);
}

.silo-button--dark:hover {
	background: transparent;
	color: var(--c-black);
}

/* --- Línea divisoria entre secciones -------------------------------------- */

.silo-rule {
	height: 0;
	margin: 0;
	border: 0;
	border-top: 1px solid var(--rule);
}

[data-theme="dark"] .silo-rule {
	border-top-color: var(--rule-dark);
}

/* --- Enlace "*explorar" y similares --------------------------------------- */

.silo-link-explore {
	display: inline-block;
	font-size: var(--fs-xs);
	font-weight: var(--fw-light);
	/* El asterisco queda fuera del subrayado, como en el diseño. */
	text-decoration: underline;
	text-underline-offset: 0.35em;
	text-decoration-thickness: 1px;
}

.silo-link-explore::before {
	content: "*";
	display: inline-block;
	text-decoration: none;
}

.silo-link-explore:hover {
	opacity: 1;
	color: var(--c-grey-mid);
}

/* --- Animación de entrada ------------------------------------------------- */

.silo-reveal {
	opacity: 0;
	transform: translateY(1.5rem);
	transition: opacity var(--t-slow) var(--ease), transform var(--t-slow) var(--ease);
}

.silo-reveal.is-visible {
	opacity: 1;
	transform: none;
}

@media (prefers-reduced-motion: reduce) {
	html {
		scroll-behavior: auto;
	}

	.silo-reveal {
		opacity: 1;
		transform: none;
		transition: none;
	}

	*,
	*::before,
	*::after {
		animation-duration: 0.01ms !important;
		transition-duration: 0.01ms !important;
	}
}