/* Sticky header
   Transparent over the hero, then flips to a white blurred bar once the
   page scrolls (the .scrolled class is toggled by js/nav-scroll.js). */
header.nav {
	position: sticky;
	top: 0;
	z-index: 50;
	background: transparent;
	transition:
		background 0.3s ease,
		border-color 0.3s ease,
		backdrop-filter 0.3s ease;
}
header.nav.scrolled {
	background: rgba(255, 255, 255, 0.88);
	backdrop-filter: saturate(180%) blur(14px);
	border-bottom-color: var(--border);
	border-bottom: 1px solid transparent;
}
.nav-in {
	display: flex;
	align-items: center;
	gap: 30px;
	height: 70px;
}
.logo {
	display: flex;
	align-items: center;
}
.logo img {
	height: 34px;
	width: auto;
	display: block;
	filter: brightness(0) invert(1);
	transition: filter 0.3s ease;
}
header.nav.scrolled .logo img {
	filter: none;
}
.nav-links {
	display: flex;
	align-items: center;
	gap: 22px;
	margin-left: 6px;
}
.nav-links a {
	font-size: 14.5px;
	font-weight: 500;
	color: rgba(255, 255, 255, 0.82);
	transition: color 0.15s;
}
.nav-links a:hover {
	color: #fff;
}
header.nav.scrolled .nav-links a {
	color: var(--grey-60);
}
header.nav.scrolled .nav-links a:hover {
	color: var(--green);
}
.nav-cta {
	margin-left: auto;
	display: flex;
	align-items: center;
	gap: 14px;
}
.nav-cta .login {
	font-size: 14.5px;
	font-weight: 600;
	color: #fff;
	transition: color 0.15s;
}
.nav-cta .login:hover {
	color: var(--green-20);
}
header.nav.scrolled .nav-cta .login {
	color: var(--grey-70);
}
header.nav.scrolled .nav-cta .login:hover {
	color: var(--green);
}
.nav-cta .btn {
	background: #fff;
	color: var(--green);
}
.nav-cta .btn:hover {
	background: var(--green-10);
	color: var(--green);
}
header.nav.scrolled .nav-cta .btn {
	background: var(--green);
	color: #fff;
}
header.nav.scrolled .nav-cta .btn:hover {
	background: var(--green-60);
	color: #fff;
}

/* ---------------- nav dropdowns (Product / Resources / Company) ---------------- */
.nav-drop {
	position: relative;
}
.nav-drop-btn {
	display: inline-flex;
	align-items: center;
	gap: 5px;
	background: none;
	border: none;
	padding: 0;
	font: inherit;
	font-size: 14.5px;
	font-weight: 500;
	color: rgba(255, 255, 255, 0.82);
	cursor: pointer;
	transition: color 0.15s;
}
.nav-drop-btn:hover,
.nav-drop.open .nav-drop-btn {
	color: #fff;
}
header.nav.scrolled .nav-drop-btn {
	color: var(--grey-60);
}
header.nav.scrolled .nav-drop-btn:hover,
header.nav.scrolled .nav-drop.open .nav-drop-btn {
	color: var(--green);
}
.nav-drop-btn .chev {
	width: 13px;
	height: 13px;
	transition: transform 0.18s;
}
.nav-drop.open .nav-drop-btn .chev {
	transform: rotate(180deg);
}
.nav-menu {
	position: absolute;
	top: calc(100% + 16px);
	left: 50%;
	transform: translateX(-50%) translateY(-6px);
	min-width: 190px;
	background: #fff;
	border: 1px solid var(--border);
	border-radius: 12px;
	box-shadow: 0 24px 60px -18px rgba(0, 0, 0, 0.35);
	padding: 6px;
	z-index: 60;
	opacity: 0;
	pointer-events: none;
	transition:
		opacity 0.18s,
		transform 0.18s;
}
.nav-drop.open .nav-menu {
	opacity: 1;
	transform: translateX(-50%) translateY(0);
	pointer-events: auto;
}
.nav-menu a {
	display: block;
	padding: 9px 12px;
	border-radius: 8px;
	font-size: 14px;
	font-weight: 500;
	color: var(--grey-70) !important;
}
.nav-menu a:hover {
	background: var(--green-surface);
	color: var(--green) !important;
}