/* OPA Header Engine - Premium UI */
:root {
	--opa-primary: #C9A14A;
	--opa-primary-hover: #DDB763;
	--opa-dark: #0F172A;
	--opa-surface: rgba(15, 23, 42, 0.85);
	--opa-text: #F9FAFB;
	--opa-text-sec: #9CA3AF;
	--opa-font-heading: 'Manrope', sans-serif;
	--opa-font-body: 'Inter', sans-serif;
	--opa-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.opa-header {
	width: 100%;
	z-index: 1000;
	color: var(--opa-text);
	padding: 24px 0;
	transition: var(--opa-transition);
	border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.opa-header--transparent {
	position: absolute;
	top: 0;
	left: 0;
	background: linear-gradient(180deg, rgba(15, 23, 42, 0.9) 0%, rgba(15, 23, 42, 0) 100%);
}

.opa-header--solid {
	position: relative;
	background: var(--opa-dark);
}

.opa-header--sticky.is-scrolled {
	position: fixed;
	background: var(--opa-surface);
	backdrop-filter: blur(16px);
	-webkit-backdrop-filter: blur(16px);
	padding: 16px 0;
	box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
	border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.opa-header__container {
	max-width: 1440px;
	margin: 0 auto;
	padding: 0 4%;
	display: flex;
	align-items: center;
	justify-content: space-between;
}

/* Logo */
.opa-header__logo {
	text-decoration: none;
	color: var(--opa-text);
	display: flex;
	align-items: center;
	flex-shrink: 0;
	white-space: nowrap;
}

.opa-header__logo-text {
	font-family: var(--opa-font-heading);
	font-size: 28px;
	font-weight: 800;
	letter-spacing: -0.5px;
	background: linear-gradient(to right, #ffffff, #d1d5db);
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
	transition: var(--opa-transition);
}

.opa-header__logo:hover .opa-header__logo-text {
	background: linear-gradient(to right, var(--opa-primary), var(--opa-primary-hover));
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
}

/* Desktop Nav */
.opa-header__nav {
	display: none;
}
@media (min-width: 1024px) {
	.opa-header__nav {
		display: block;
	}
}

.opa-header__menu {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	align-items: center;
	gap: clamp(16px, 2vw, 36px);
}

.opa-header__menu > li {
	position: relative;
	padding: 10px 0;
}

.opa-menu-link {
	color: var(--opa-text-sec);
	text-decoration: none;
	font-family: var(--opa-font-body);
	font-weight: 500;
	font-size: 15px;
	display: flex;
	align-items: center;
	gap: 6px;
	transition: var(--opa-transition);
	position: relative;
	white-space: nowrap;
}

.opa-menu-link:hover,
.opa-menu-link.is-active {
	color: var(--opa-text);
}

.opa-menu-link::after {
	content: '';
	position: absolute;
	bottom: -4px;
	left: 0;
	width: 0;
	height: 2px;
	background: var(--opa-primary);
	transition: var(--opa-transition);
	border-radius: 2px;
}

.opa-menu-link:hover::after,
.opa-menu-link.is-active::after {
	width: 100%;
}

/* Dropdown */
.opa-header__dropdown {
	position: absolute;
	top: 100%;
	left: 50%;
	transform: translateX(-50%) translateY(15px);
	background: #1e293b; /* Slightly lighter than surface for depth */
	min-width: 240px;
	list-style: none;
	padding: 12px;
	margin: 0;
	border-radius: 12px;
	box-shadow: 0 20px 40px rgba(0,0,0,0.3);
	opacity: 0;
	visibility: hidden;
	transition: var(--opa-transition);
	border: 1px solid rgba(255,255,255,0.08);
}

.has-dropdown:hover .opa-header__dropdown {
	opacity: 1;
	visibility: visible;
	transform: translateX(-50%) translateY(0);
}

.opa-header__dropdown li {
	margin: 0;
	padding: 2px;
}

.opa-header__dropdown li a {
	display: block;
	padding: 10px 16px;
	color: var(--opa-text-sec);
	text-decoration: none;
	font-family: var(--opa-font-body);
	font-size: 14px;
	font-weight: 500;
	border-radius: 8px;
	transition: var(--opa-transition);
}

.opa-header__dropdown li a:hover {
	color: var(--opa-text);
	background: rgba(255,255,255,0.05);
	padding-left: 20px;
}

/* Actions (CTA & Phone) */
.opa-header__actions {
	display: none;
}
@media (min-width: 1024px) {
	.opa-header__actions {
		display: flex;
		align-items: center;
		gap: clamp(16px, 2vw, 28px);
		flex-shrink: 0;
	}
}

.opa-phone-link {
	color: var(--opa-text-sec);
	text-decoration: none;
	font-family: var(--opa-font-body);
	font-weight: 600;
	font-size: 15px;
	display: flex;
	align-items: center;
	gap: 8px;
	transition: var(--opa-transition);
	white-space: nowrap;
}
.opa-phone-link:hover {
	color: var(--opa-primary);
}

.opa-cta-button {
	background: var(--opa-primary);
	color: var(--opa-dark);
	text-decoration: none;
	padding: 14px 28px;
	border-radius: 50px;
	font-family: var(--opa-font-body);
	font-weight: 700;
	font-size: 14px;
	letter-spacing: 0.3px;
	display: flex;
	align-items: center;
	gap: 8px;
	transition: var(--opa-transition);
	box-shadow: 0 4px 15px rgba(201, 161, 74, 0.2);
	white-space: nowrap;
}
.opa-cta-button:hover {
	background: var(--opa-primary-hover);
	transform: translateY(-2px);
	box-shadow: 0 8px 25px rgba(201, 161, 74, 0.4);
}

/* Mobile Toggle */
.opa-header__toggle {
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	gap: 6px;
	width: 44px;
	height: 44px;
	background: rgba(255,255,255,0.05);
	border-radius: 8px;
	border: 1px solid rgba(255,255,255,0.1);
	cursor: pointer;
	padding: 0;
	z-index: 1002;
	transition: var(--opa-transition);
}
.opa-header__toggle:hover {
	background: rgba(255,255,255,0.1);
}
@media (min-width: 1024px) {
	.opa-header__toggle {
		display: none;
	}
}

.opa-header__toggle span {
	display: block;
	width: 20px;
	height: 2px;
	background: var(--opa-primary);
	border-radius: 2px;
	transition: var(--opa-transition);
}

.opa-header__toggle[aria-expanded="true"] span:nth-child(1) {
	transform: translateY(8px) rotate(45deg);
}
.opa-header__toggle[aria-expanded="true"] span:nth-child(2) {
	opacity: 0;
}
.opa-header__toggle[aria-expanded="true"] span:nth-child(3) {
	transform: translateY(-8px) rotate(-45deg);
}

/* Mobile Drawer */
.opa-drawer {
	position: fixed;
	top: 0;
	right: -100%;
	width: 100%;
	max-width: 380px;
	height: 100vh;
	background: var(--opa-dark);
	z-index: 1001;
	transition: right 0.5s cubic-bezier(0.77, 0, 0.175, 1);
	padding: 0;
	display: flex;
	flex-direction: column;
	overflow-y: auto;
	box-shadow: -10px 0 40px rgba(0,0,0,0.5);
	border-left: 1px solid rgba(255,255,255,0.05);
}

.opa-drawer.is-open {
	right: 0;
}

.opa-drawer__header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 24px 8%;
	border-bottom: 1px solid rgba(255, 255, 255, 0.05);
	background: rgba(15, 23, 42, 0.95);
	position: sticky;
	top: 0;
	z-index: 2;
}

.opa-drawer__close {
	background: transparent;
	border: none;
	color: var(--opa-text-sec);
	cursor: pointer;
	padding: 8px;
	display: flex;
	align-items: center;
	justify-content: center;
	transition: var(--opa-transition);
	border-radius: 50%;
}

.opa-drawer__close:hover {
	color: var(--opa-primary);
	background: rgba(255,255,255,0.05);
}

.opa-drawer__nav {
	padding: 40px 8%;
	display: flex;
	flex-direction: column;
	flex: 1;
}

.opa-drawer__menu {
	list-style: none;
	padding: 0;
	margin: 0 0 50px 0;
}

.opa-drawer__menu > li {
	margin-bottom: 0;
	border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.opa-drawer__menu .opa-menu-link {
	font-size: 18px;
	font-family: var(--opa-font-body);
	font-weight: 500;
	color: var(--opa-text);
	display: flex;
	padding: 20px 0;
	align-items: center;
	justify-content: space-between;
}
.opa-drawer__menu .opa-menu-link::after {
	content: '\2192'; /* Right arrow */
	font-family: Arial, sans-serif;
	font-size: 16px;
	color: var(--opa-text-sec);
	opacity: 0;
	transform: translateX(-10px);
	transition: var(--opa-transition);
}
.opa-drawer__menu .opa-menu-link:hover {
	color: var(--opa-primary);
	padding-left: 10px;
}
.opa-drawer__menu .opa-menu-link:hover::after {
	opacity: 1;
	transform: translateX(0);
}

.opa-drawer__dropdown {
	list-style: none;
	padding: 16px 0 0 24px;
	margin: 0;
	border-left: 2px solid rgba(255,255,255,0.1);
	margin-left: 12px;
}
.opa-drawer__dropdown li {
	margin-bottom: 16px;
}
.opa-drawer__dropdown li a {
	color: var(--opa-text-sec);
	text-decoration: none;
	font-size: 16px;
	font-weight: 500;
	transition: var(--opa-transition);
}
.opa-drawer__dropdown li a:hover {
	color: var(--opa-primary);
}

.opa-drawer__actions {
	margin-top: auto;
	display: flex;
	flex-direction: column;
	gap: 24px;
}

.opa-drawer__actions .opa-phone-link {
	justify-content: flex-start;
	font-size: 18px;
}
.opa-drawer__actions .opa-cta-button {
	justify-content: center;
	text-align: center;
}

/* Overlay */
.opa-drawer-overlay {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 100vh;
	background: rgba(15, 23, 42, 0.7);
	backdrop-filter: blur(8px);
	-webkit-backdrop-filter: blur(8px);
	z-index: 1000;
	opacity: 0;
	visibility: hidden;
	transition: opacity 0.4s ease;
}

.opa-drawer-overlay.is-open {
	opacity: 1;
	visibility: visible;
}