/**
 * Header, navigation, dropdowns and the mobile drawer.
 *
 * The header sits transparently over the ink hero and swaps to a solid bone
 * surface once scrolled. Nav labels use the display face at small size, which
 * is what ties the chrome to the rest of the page.
 */

.sl-header {
	position: sticky;
	top: 0;
	z-index: 100;
	background: transparent;
	border-bottom: 1px solid transparent;
	transition: background-color 0.35s var(--sl-ease), border-color 0.35s var(--sl-ease),
		color 0.35s var(--sl-ease);
}

.sl-header.is-stuck {
	background: var(--slayva-bone);
	border-bottom-color: var(--slayva-border);
}

.sl-header__inner {
	display: flex;
	align-items: center;
	gap: clamp(1rem, 3vw, 2.5rem);
	min-height: var(--sl-headerH);
	max-width: var(--sl-max-wide);
}

/* ---------- Brand ---------- */

.sl-logo {
	display: inline-flex;
	align-items: center;
	gap: 0.55rem;
	font-family: var(--sl-display);
	font-size: 1.25rem;
	text-transform: uppercase;
	letter-spacing: -0.03em;
	color: var(--slayva-light);
	transition: color 0.35s var(--sl-ease);
}

.sl-header.is-stuck .sl-logo {
	color: var(--slayva-ink);
}

.sl-logo__mark {
	width: 1.35rem;
	height: 1.35rem;
	flex: 0 0 auto;
	border-radius: 50%;
	background: linear-gradient(135deg, var(--slayva-primary), var(--slayva-accent));
}

.custom-logo-link img {
	max-height: 40px;
	width: auto;
}

/* ---------- Desktop nav ---------- */

.sl-nav {
	margin-inline-start: auto;
}

.sl-nav__list {
	display: flex;
	align-items: center;
	gap: clamp(0.15rem, 1vw, 0.85rem);
}

.sl-nav__item {
	position: relative;
}

.sl-nav__link {
	display: inline-flex;
	align-items: center;
	gap: 0.35rem;
	padding: 0.6rem 0.7rem;
	font-family: var(--sl-display);
	font-size: 0.72rem;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: rgba(255, 255, 255, 0.78);
	white-space: nowrap;
	transition: color 0.2s var(--sl-ease);
}

.sl-header.is-stuck .sl-nav__link {
	color: var(--slayva-muted);
}

.sl-nav__link:hover,
.sl-nav__link.is-current,
.sl-nav__item--has-children.is-open > .sl-nav__link {
	color: var(--slayva-accent);
}

.sl-nav__chevron {
	width: 0.4rem;
	height: 0.4rem;
	border-right: 1.6px solid currentColor;
	border-bottom: 1.6px solid currentColor;
	transform: rotate(45deg) translate(-1px, -1px);
	transition: transform 0.2s var(--sl-ease);
}

.sl-nav__item--has-children.is-open .sl-nav__chevron {
	transform: rotate(-135deg) translate(-2px, -2px);
}

/* ---------- Dropdown ---------- */

.sl-dropdown {
	position: absolute;
	top: calc(100% + 0.5rem);
	left: 0;
	min-width: 21rem;
	padding: 0.5rem;
	background: var(--slayva-bone);
	border: 1px solid var(--slayva-border);
	opacity: 0;
	transform: translateY(-6px);
	transition: opacity 0.18s var(--sl-ease), transform 0.18s var(--sl-ease);
}

.sl-dropdown[hidden] {
	display: none;
}

.sl-nav__item--has-children.is-open .sl-dropdown {
	opacity: 1;
	transform: none;
}

.sl-dropdown__item {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 0.75rem;
}

.sl-dropdown__link {
	flex: 1;
	display: block;
	padding: 0.6rem 0.7rem;
	font-size: 0.9rem;
	font-weight: 550;
	color: var(--slayva-ink);
	transition: background-color 0.15s var(--sl-ease), color 0.15s var(--sl-ease);
}

a.sl-dropdown__link:hover {
	background: var(--slayva-ink);
	color: var(--slayva-light);
}

.sl-dropdown__soon {
	padding-inline-end: 0.6rem;
	font-size: 0.62rem;
	font-weight: 700;
	letter-spacing: 0.14em;
	text-transform: uppercase;
	color: var(--slayva-muted);
}

/* ---------- Actions ---------- */

.sl-header__actions {
	display: flex;
	align-items: center;
	gap: 0.75rem;
	flex: 0 0 auto;
}

.sl-header__cta {
	padding: 0.75rem 1.35rem;
	font-size: 0.7rem;
}

/* ---------- Burger ---------- */

.sl-burger {
	display: none;
	padding: 0.55rem;
}

.sl-burger__box {
	display: grid;
	gap: 5px;
	width: 22px;
}

.sl-burger__bar {
	height: 2px;
	background: var(--slayva-light);
	transition: background-color 0.35s var(--sl-ease);
}

.sl-header.is-stuck .sl-burger__bar {
	background: var(--slayva-ink);
}

/* ---------- Mobile drawer ---------- */

.sl-mobile {
	position: fixed;
	inset: 0;
	z-index: 200;
	background: rgba(7, 20, 16, 0.6);
	opacity: 0;
	transition: opacity 0.28s var(--sl-ease);
}

.sl-mobile[hidden] {
	display: none;
}

.sl-mobile.is-open {
	opacity: 1;
}

.sl-mobile__panel {
	position: absolute;
	inset-block: 0;
	inset-inline-end: 0;
	width: min(27rem, 92vw);
	display: flex;
	flex-direction: column;
	background: var(--slayva-bone);
	transform: translateX(100%);
	transition: transform 0.34s var(--sl-ease-out);
	overflow-y: auto;
	overscroll-behavior: contain;
}

.sl-mobile.is-open .sl-mobile__panel {
	transform: none;
}

.sl-mobile__top {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 1.15rem var(--sl-gutter);
	border-bottom: 1px solid var(--slayva-border);
}

.sl-mobile__title {
	font-family: var(--sl-display);
	font-size: 0.72rem;
	letter-spacing: 0.2em;
	text-transform: uppercase;
	color: var(--slayva-muted);
}

.sl-mobile__close {
	width: 2.4rem;
	height: 2.4rem;
	display: grid;
	place-items: center;
	font-size: 1.8rem;
	line-height: 1;
	color: var(--slayva-ink);
}

.sl-mobile__nav {
	flex: 1;
	padding: 0.5rem var(--sl-gutter) 1.5rem;
}

.sl-mobile__item {
	border-bottom: 1px solid var(--slayva-border);
}

.sl-mobile__link {
	display: flex;
	align-items: center;
	justify-content: space-between;
	width: 100%;
	padding: 1.05rem 0;
	font-family: var(--sl-display);
	font-size: 1.15rem;
	text-transform: uppercase;
	letter-spacing: -0.01em;
	text-align: start;
	color: var(--slayva-ink);
}

.sl-mobile__chevron {
	width: 0.5rem;
	height: 0.5rem;
	border-right: 2px solid var(--slayva-muted);
	border-bottom: 2px solid var(--slayva-muted);
	transform: rotate(45deg);
	transition: transform 0.22s var(--sl-ease);
}

.sl-mobile__acc[aria-expanded="true"] .sl-mobile__chevron {
	transform: rotate(-135deg);
}

.sl-mobile__sub {
	padding: 0 0 0.9rem;
	display: grid;
	gap: 0.1rem;
}

.sl-mobile__sub[hidden] {
	display: none;
}

.sl-mobile__sublink {
	display: block;
	padding: 0.5rem 0;
	font-size: 0.94rem;
	color: var(--slayva-muted);
}

a.sl-mobile__sublink:hover {
	color: var(--slayva-accent);
}

.sl-mobile__foot {
	padding: 1.25rem var(--sl-gutter) 2rem;
	border-top: 1px solid var(--slayva-border);
}

.sl-mobile__note {
	margin-top: 0.75rem;
	text-align: center;
	font-size: var(--sl-micro);
	color: var(--slayva-muted);
}

body.sl-scroll-locked {
	overflow: hidden;
}

/* ---------- Breakpoints ---------- */

@media (max-width: 1150px) {
	.sl-nav {
		display: none;
	}

	.sl-burger {
		display: inline-flex;
		margin-inline-start: auto;
	}
}

@media (max-width: 640px) {
	.sl-header__cta {
		display: none;
	}

	:root {
		--sl-headerH: 68px;
	}
}