/* ==========================================================================
   helpers.d017.css
   Utility classes: a11y, buttons, reveal hooks, scrollbars.
   ========================================================================== */

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

.skip {
	position: absolute;
	top: -120px;
	left: 16px;
	z-index: 1200;
	padding: 12px 20px;
	background: var(--color-ink);
	color: #FFFFFF;
	font-weight: 600;
	border-radius: var(--radius-s);
	transition: top .2s var(--ease-standard);
}

.skip:focus {
	top: 12px;
}

:focus-visible {
	outline: 2px solid var(--color-accent);
	outline-offset: 3px;
}

.eyebrow {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	font-family: var(--font-text);
	font-size: 13px;
	font-weight: 700;
	letter-spacing: .06em;
	text-transform: uppercase;
	color: var(--color-accent-ink);
}

.eyebrow::before {
	content: "";
	width: 8px;
	height: 8px;
	border-radius: 50%;
	background: var(--color-accent);
}

.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 10px;
	min-height: 48px;
	padding: 13px 26px;
	border-radius: var(--radius-s);
	font-family: var(--font-text);
	font-size: 15px;
	font-weight: 700;
	line-height: 1;
	white-space: nowrap;
	transition: background-color .18s var(--ease-standard), border-color .18s var(--ease-standard), color .18s var(--ease-standard);
}

.btn--primary {
	background: var(--color-accent);
	color: #FFFFFF;
	border: 1px solid var(--color-accent);
}

.btn--primary:hover {
	background: var(--color-accent-ink);
	border-color: var(--color-accent-ink);
}

.btn--ghost {
	background: transparent;
	color: var(--color-ink);
	border: 1px solid var(--color-line);
}

.btn--ghost:hover {
	border-color: var(--color-ink);
}

.btn--on-dark {
	background: transparent;
	color: var(--color-inverse-ink);
	border: 1px solid #394452;
}

.btn--on-dark:hover {
	border-color: var(--color-accent);
	color: var(--color-accent);
}

.btn--block {
	width: 100%;
}

/* reveal hooks: base state is always fully visible; JS adds .reveal-pending
   on init and swaps to .is-inview once a section crosses the viewport.
   No JS at all -> elements simply never receive .reveal-pending. */
.reveal {
	opacity: 1;
	transform: none;
	transition: opacity .6s var(--ease-standard), transform .6s var(--ease-standard);
}

.reveal.reveal-pending {
	opacity: 0;
	transform: translateY(18px);
}

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

.scroll-thin {
	scrollbar-width: thin;
	scrollbar-color: var(--color-accent) transparent;
}

.text-center {
	text-align: center;
}

.no-scroll {
	overflow: hidden;
}

.divider {
	height: 1px;
	background: #e3e7eb;
}

@media (prefers-reduced-motion: reduce) {
	.reveal,
	.reveal.reveal-pending {
		transition: none;
	}

	html {
		scroll-behavior: auto;
	}
}