/* ============================================================================
   Homepage Navbar — Startup Neon (Transparent Scroll)
   Section ID: tmpl-startup-neon--navbar--transparent-scroll--0
   Sticky over the hero: transparent + radial-dark overlay + plus-pattern at
   top, solid violet-black canvas + shadow once scrolled. Dark-first so text
   stays white/legible over the hero image and on any page. All values from
   design tokens.
   ============================================================================ */

.sn-navbar {
	position: sticky;
	top: 0;
	z-index: 1000;
	width: 100%;
	color: var(--color-text-on-dark);
	/* image-overlay + radial-dark overlay so the headline text stays legible */
	background:
		radial-gradient(120% 180% at 50% -40%, rgba(var(--color-primary-rgb), 0.28) 0%, rgba(13, 10, 19, 0) 60%),
		linear-gradient(180deg, rgba(13, 10, 19, 0.72) 0%, rgba(13, 10, 19, 0) 100%);
	border-bottom: var(--border-width) solid transparent;
	transition:
		background-color var(--duration-normal) var(--ease-default),
		box-shadow var(--duration-normal) var(--ease-default),
		border-color var(--duration-normal) var(--ease-default);
}

/* plus-pattern decorative wash (radial dot/plus grid), very subtle */
.sn-navbar::before {
	content: "";
	position: absolute;
	inset: 0;
	pointer-events: none;
	opacity: 0.5;
	background-image:
		radial-gradient(rgba(var(--color-accent-rgb), 0.10) 1px, transparent 1.5px);
	background-size: 22px 22px;
	background-position: center;
	-webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 90%);
	mask-image: linear-gradient(180deg, #000 0%, transparent 90%);
}

/* Solid state on scroll */
.sn-navbar.is-scrolled {
	background:
		var(--color-canvas);
	box-shadow: var(--shadow-md);
	border-bottom-color: var(--color-hairline);
}

.sn-navbar.is-scrolled::before {
	opacity: 0.28;
}

.sn-navbar__inner {
	position: relative;
	z-index: 1;
	max-width: var(--container-wide); /* ~max-w-7xl */
	margin-inline: auto;
	min-height: var(--nav-height);
	padding: var(--space-3) var(--container-padding);
	display: flex;
	flex-wrap: nowrap;
	align-items: center;
	gap: var(--space-4);
}

/* ---- Brand / logo ---------------------------------------------------------- */
.sn-navbar__brand {
	display: inline-flex;
	align-items: center;
	gap: var(--space-3);
	text-decoration: none;
	color: inherit;
	flex: 0 0 auto;
}

.sn-navbar__logo {
	display: grid;
	place-items: center;
	width: 40px;
	height: 40px;
	border-radius: var(--radius-lg);
	object-fit: cover;
}

.sn-navbar__logo--mark {
	color: var(--color-on-primary);
	background: linear-gradient(135deg, var(--color-primary-600), var(--color-primary-900));
	box-shadow: var(--shadow-glow);
}

.sn-navbar__brand-text {
	display: flex;
	flex-direction: column;
	line-height: 1.05;
}

.sn-navbar__brand-name {
	font-family: var(--font-heading);
	font-size: var(--text-lg);
	font-weight: 800;
	letter-spacing: -0.01em;
	color: var(--color-text-on-dark);
}

.sn-navbar__brand-tag {
	font-size: var(--text-xs);
	font-weight: var(--weight-semibold);
	letter-spacing: var(--letter-wide);
	text-transform: uppercase;
	color: var(--color-accent-300);
}

/* ---- Nav links ------------------------------------------------------------- */
.sn-navbar__nav {
	display: flex;
	flex-wrap: nowrap;
	align-items: center;
	gap: var(--space-4);
	margin-left: auto;
	min-width: 0;
}

.sn-navbar__links {
	display: flex;
	flex-wrap: nowrap;
	align-items: center;
	gap: var(--space-3);
	list-style: none;
	margin: 0;
	padding: 0;
}

.sn-navbar__item {
	margin: 0;
	white-space: nowrap;
}

.sn-navbar__link {
	position: relative;
	display: inline-block;
	padding: var(--space-2) 0;
	font-family: var(--font-body);
	font-size: var(--text-sm);
	font-weight: var(--weight-medium);
	color: var(--color-body-on-dark);
	text-decoration: none;
	transition: color var(--duration-fast) var(--ease-out);
}

.sn-navbar__link::after {
	content: "";
	position: absolute;
	left: 0;
	bottom: 0;
	width: 100%;
	height: 2px;
	background: var(--color-accent-400);
	transform: scaleX(0);
	transform-origin: left;
	transition: transform var(--duration-fast) var(--ease-out);
}

.sn-navbar__link:hover,
.sn-navbar__link:focus-visible {
	color: var(--color-text-on-dark);
	outline: none;
}

.sn-navbar__link:hover::after,
.sn-navbar__link:focus-visible::after {
	transform: scaleX(1);
}

.sn-navbar__link:focus-visible {
	outline: 2px solid var(--color-primary-400);
	outline-offset: 4px;
	border-radius: var(--radius-sm);
}

/* ---- CTA group (arrow-slide hover) ---------------------------------------- */
.sn-navbar__ctas {
	display: flex;
	align-items: center;
	gap: var(--space-3);
}

.sn-navbar__cta {
	display: inline-flex;
	align-items: center;
	gap: var(--space-2);
	padding: 0.6rem 1.15rem;
	border-radius: var(--radius-md);
	font-family: var(--font-body);
	font-size: var(--text-sm);
	font-weight: var(--weight-semibold);
	text-decoration: none;
	white-space: nowrap;
	border: var(--border-width) solid transparent;
	transition:
		background-color var(--duration-fast) var(--ease-out),
		border-color var(--duration-fast) var(--ease-out),
		box-shadow var(--duration-fast) var(--ease-out),
		transform var(--duration-fast) var(--ease-out);
}

.sn-navbar__cta--ghost {
	color: var(--color-text-on-dark);
	border-color: var(--color-hairline);
	background: transparent;
}

.sn-navbar__cta--ghost:hover,
.sn-navbar__cta--ghost:focus-visible {
	background: var(--color-surface-card-elev);
	border-color: var(--color-primary-400);
	outline: none;
}

.sn-navbar__cta--accent {
	color: var(--color-on-accent);
	background: var(--color-accent-500);
	box-shadow: var(--shadow-glow-accent);
}

.sn-navbar__cta--accent:hover,
.sn-navbar__cta--accent:focus-visible {
	background: var(--color-accent-400);
	box-shadow: var(--shadow-lg);
	outline: none;
}

.sn-navbar__cta:focus-visible {
	outline: 2px solid var(--color-primary-400);
	outline-offset: 2px;
}

/* arrow-slide: arrow tucked in, slides out on hover */
.sn-navbar__cta-arrow {
	display: inline-flex;
	align-items: center;
	max-width: 0;
	margin-left: -0.5rem;
	opacity: 0;
	transform: translateX(-4px);
	overflow: hidden;
	transition:
		max-width var(--duration-fast) var(--ease-out),
		margin-left var(--duration-fast) var(--ease-out),
		opacity var(--duration-fast) var(--ease-out),
		transform var(--duration-fast) var(--ease-out);
}

.sn-navbar__cta:hover .sn-navbar__cta-arrow,
.sn-navbar__cta:focus-visible .sn-navbar__cta-arrow {
	max-width: 20px;
	margin-left: 0;
	opacity: 1;
	transform: translateX(0);
}

/* ---- Mobile toggle (hidden on desktop) ------------------------------------ */
.sn-navbar__toggle {
	display: none;
	flex-direction: column;
	justify-content: center;
	gap: 5px;
	width: 44px;
	height: 44px;
	margin-left: auto;
	padding: 0 10px;
	background: transparent;
	border: var(--border-width) solid var(--color-hairline);
	border-radius: var(--radius-md);
	cursor: pointer;
}

.sn-navbar__toggle-bar {
	display: block;
	height: 2px;
	width: 100%;
	background: var(--color-text-on-dark);
	border-radius: var(--radius-full);
	transition: transform var(--duration-fast) var(--ease-out),
		opacity var(--duration-fast) var(--ease-out);
}

.sn-navbar__toggle:focus-visible {
	outline: 2px solid var(--color-primary-400);
	outline-offset: 2px;
}

.sn-navbar__toggle[aria-expanded="true"] .sn-navbar__toggle-bar:nth-child(1) {
	transform: translateY(7px) rotate(45deg);
}

.sn-navbar__toggle[aria-expanded="true"] .sn-navbar__toggle-bar:nth-child(2) {
	opacity: 0;
}

.sn-navbar__toggle[aria-expanded="true"] .sn-navbar__toggle-bar:nth-child(3) {
	transform: translateY(-7px) rotate(-45deg);
}

/* ---- Responsive: tablet + mobile accordion drawer -------------------------
   Collapse to the hamburger at <=1100px so the logo + 6 links + 2 CTAs never
   have to share one row at intermediate widths — above this they always fit on
   a single line (nav uses nowrap + tightened gaps); below it the accordion
   drawer takes over, so the bar can never wrap onto a second/seventh row. */
@media (max-width: 1100px) {
	.sn-navbar__toggle {
		display: flex;
	}

	.sn-navbar__nav {
		position: absolute;
		top: 100%;
		left: 0;
		right: 0;
		margin-left: 0;
		flex-direction: column;
		align-items: stretch;
		gap: var(--space-4);
		padding: var(--space-5) var(--container-padding) var(--space-6);
		background: var(--color-canvas);
		border-top: var(--border-width) solid var(--color-hairline);
		box-shadow: var(--shadow-lg);

		/* accordion: collapsed by default */
		max-height: 0;
		overflow: hidden;
		opacity: 0;
		visibility: hidden;
		transform: translateY(-8px);
		transition:
			max-height var(--duration-normal) var(--ease-out),
			opacity var(--duration-normal) var(--ease-out),
			transform var(--duration-normal) var(--ease-out),
			visibility var(--duration-normal) var(--ease-out);
	}

	.sn-navbar__nav.is-open {
		max-height: 80vh;
		opacity: 1;
		visibility: visible;
		transform: translateY(0);
		overflow-y: auto;
	}

	.sn-navbar__links {
		flex-direction: column;
		align-items: stretch;
		gap: var(--space-2);
	}

	.sn-navbar__link {
		display: block;
		padding: var(--space-3) 0;
		font-size: var(--text-base);
		border-bottom: var(--border-width) solid var(--color-hairline-soft);
	}

	.sn-navbar__link::after {
		display: none;
	}

	.sn-navbar__ctas {
		flex-direction: column;
		align-items: stretch;
		gap: var(--space-3);
	}

	.sn-navbar__cta {
		justify-content: center;
		padding-block: 0.85rem;
	}

	/* keep arrow visible on mobile taps */
	.sn-navbar__cta-arrow {
		max-width: 20px;
		margin-left: 0;
		opacity: 1;
		transform: translateX(0);
	}
}

@media (prefers-reduced-motion: reduce) {
	.sn-navbar,
	.sn-navbar__nav,
	.sn-navbar__cta-arrow,
	.sn-navbar__link::after {
		transition: none;
	}
}