/* ============================================================
   Yachtiva header: transparent over hero media, solid on scroll.
   ============================================================ */

.yachtiva-header {
	position: sticky;
	top: 0;
	z-index: 50;
	background: rgba(255, 255, 255, 0.92);
	backdrop-filter: blur(10px);
	border-bottom: 1px solid var(--yachtiva-border);
	transition: background 0.3s var(--yachtiva-ease), box-shadow 0.3s var(--yachtiva-ease);
}

.yachtiva-header.is-scrolled {
	box-shadow: 0 6px 24px rgba(11, 34, 57, 0.08);
}

.yachtiva-header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 2rem;
	height: 72px;
}

.yachtiva-header__logo {
	display: inline-flex;
	align-items: center;
	gap: 0.6rem;
	color: var(--yachtiva-navy);
	font-family: var(--yachtiva-font-display);
	font-size: 1.35rem;
	font-weight: 700;
}

.yachtiva-header__logo:hover {
	color: var(--yachtiva-primary-dark);
}

.yachtiva-header__logo-mark {
	display: inline-flex;
	color: var(--yachtiva-primary);
}

.yachtiva-header__logo img {
	max-height: 40px;
	width: auto;
}

.yachtiva-nav__list {
	display: flex;
	align-items: center;
	gap: 1.15rem;
	list-style: none;
	margin: 0;
	padding: 0;
}

.yachtiva-nav__list > li {
	position: relative;
}

.yachtiva-nav__list .sub-menu {
	position: absolute;
	top: calc(100% + 14px);
	left: -18px;
	z-index: 60;
	min-width: 210px;
	margin: 0;
	padding: 8px;
	list-style: none;
	background: #fff;
	border: 1px solid var(--yachtiva-border);
	border-radius: var(--yachtiva-radius-sm);
	box-shadow: 0 16px 40px rgba(11, 34, 57, 0.14);
	opacity: 0;
	visibility: hidden;
	transform: translateY(-6px);
	transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
}

.yachtiva-nav__list .sub-menu::before {
	position: absolute;
	top: -15px;
	left: 0;
	width: 100%;
	height: 15px;
	content: '';
}

.yachtiva-nav__list li:hover > .sub-menu,
.yachtiva-nav__list li:focus-within > .sub-menu {
	opacity: 1;
	visibility: visible;
	transform: translateY(0);
}

.yachtiva-nav__list .sub-menu a {
	display: block;
	padding: 9px 11px;
	border-radius: 4px;
	white-space: nowrap;
}

.yachtiva-nav__list .sub-menu a:hover,
.yachtiva-nav__list .sub-menu a:focus {
	background: var(--yachtiva-background);
}

.yachtiva-nav__list a {
	color: var(--yachtiva-foreground);
	font-weight: 500;
	font-size: 0.95rem;
}

.yachtiva-nav__list a:hover {
	color: var(--yachtiva-primary-dark);
}

.yachtiva-header__actions {
	display: flex;
	align-items: center;
	gap: 0.75rem;
}

.yachtiva-header__burger {
	display: none;
	flex-direction: column;
	justify-content: center;
	gap: 5px;
	width: 42px;
	height: 42px;
	padding: 0 10px;
	background: transparent;
	border: 1px solid var(--yachtiva-border);
	border-radius: var(--yachtiva-radius-sm);
	cursor: pointer;
}

.yachtiva-header__burger span {
	display: block;
	height: 2px;
	background: var(--yachtiva-navy);
	border-radius: 2px;
	transition: transform 0.25s var(--yachtiva-ease), opacity 0.25s;
}

.yachtiva-header__burger.is-open span:nth-child(1) {
	transform: translateY(7px) rotate(45deg);
}

.yachtiva-header__burger.is-open span:nth-child(2) {
	opacity: 0;
}

.yachtiva-header__burger.is-open span:nth-child(3) {
	transform: translateY(-7px) rotate(-45deg);
}

.yachtiva-mobile-nav {
	display: none;
	max-height: calc(100vh - 72px);
	max-height: calc(100dvh - 72px);
	overflow-y: auto;
	overscroll-behavior: contain;
	border-top: 1px solid var(--yachtiva-border);
	background: #fff;
	box-shadow: 0 14px 30px rgba(11, 34, 57, 0.08);
}

.yachtiva-mobile-nav.is-open {
	display: block;
}

.yachtiva-mobile-nav .yachtiva-nav__list {
	flex-direction: column;
	align-items: stretch;
	gap: 0;
	width: min(100%, 720px);
	margin: 0 auto;
	padding: 0.65rem 1.25rem 1.25rem;
}

.yachtiva-mobile-nav .yachtiva-nav__list a {
	display: block;
	min-height: 46px;
	padding: 0.8rem 0.25rem;
	border-bottom: 1px solid var(--yachtiva-border);
	line-height: 1.35;
}

.yachtiva-mobile-nav .yachtiva-nav__list .sub-menu {
	position: static;
	min-width: 0;
	margin: 0.25rem 0 0.65rem 0.25rem;
	padding: 0 0 0 0.8rem;
	border: 0;
	border-left: 2px solid rgba(184, 139, 47, 0.3);
	border-radius: 0;
	background: transparent;
	box-shadow: none;
	opacity: 1;
	visibility: visible;
	transform: none;
}

.yachtiva-mobile-nav .yachtiva-nav__list .sub-menu a {
	min-height: 44px;
	padding: 0.72rem 0.75rem;
	border-radius: 6px;
	color: rgba(11, 34, 57, 0.82);
	font-size: 0.925rem;
}

.yachtiva-mobile-nav .yachtiva-nav__list .sub-menu li:last-child > a {
	border-bottom: 0;
}