/*  ═══════════════════════════════════════════════════════════
    NAVBAR
    z-index: 1000 — sits above everything.
    backdrop-filter blurs content that scrolls underneath.
    ═══════════════════════════════════════════════════════════ */

.navbar {
	position: fixed;
	top: var(--space-5);
	left: 50%;
	transform: translateX(-50%);
	width: calc(100% - var(--space-10));
	max-width: var(--container-max);
	height: var(--nav-height);
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: var(--space-6);
	padding-inline: var(--space-5);

	background: rgba(255, 255, 255, 0.05);
	backdrop-filter: blur(12px) saturate(200%) brightness(0.9);
	-webkit-backdrop-filter: blur(48px) saturate(200%) brightness(0.9);
	border: 1px solid rgba(255, 255, 255, 0.1);
	box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

	border-radius: var(--radius-full);

	/* Must be above every page element */
	z-index: 1000;

	transition:
		background var(--duration-base) var(--ease-out),
		border-color var(--duration-base) var(--ease-out),
		box-shadow var(--duration-base) var(--ease-out);
}

/* Slightly more opaque once the user starts scrolling */
.navbar[data-scrolled] {
	background: rgba(255, 255, 255, 0.08);
	border-color: rgba(255, 255, 255, 0.14);
	box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.4);
}

/* Brand */
.nav-brand {
	display: flex;
	align-items: center;
	gap: var(--space-3);
	font-size: var(--text-base);
	font-weight: var(--weight-bold);
	letter-spacing: var(--tracking-tight);
	white-space: nowrap;
	min-height: var(--touch-target);
	transition: opacity var(--duration-fast) var(--ease-out);
}
.nav-brand:hover {
	opacity: 0.8;
}
.nav-brand:active {
	opacity: 0.6;
}

.nav-brand-icon {
	display: block;
	height: 18px;
	width: auto;
	max-width: 100%;
	object-fit: contain;
	flex-shrink: 0;
}

.nav-brand-mark {
	width: 32px;
	height: 32px;
	background: var(--color-primary);
	border-radius: var(--radius-sm);
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: var(--text-base);
	line-height: 1;
	flex-shrink: 0;
	transition: background var(--duration-fast) var(--ease-out);
}
.nav-brand:hover .nav-brand-mark {
	background: var(--color-primary-focus);
}

/* Links */
.nav-links {
	display: flex;
	align-items: center;
	gap: var(--space-1);
}

.nav-link {
	display: inline-flex;
	align-items: center;
	padding: var(--space-2) var(--space-4);
	min-height: var(--touch-target);
	font-size: var(--text-sm);
	font-weight: var(--weight-medium);
	color: var(--color-text-secondary);
	border-radius: var(--radius-full);
	transition:
		color var(--duration-fast) var(--ease-out),
		background var(--duration-fast) var(--ease-out);
}
.nav-link:hover {
	color: var(--color-text);
	background: rgba(255, 255, 255, 0.07);
}
.nav-link:active {
	background: rgba(255, 255, 255, 0.12);
}

/* Actions */
.nav-actions {
	display: flex;
	align-items: center;
	gap: var(--space-2);
}

/* Mobile toggle */
.nav-toggle {
	display: none;
	flex-direction: column;
	justify-content: center;
	gap: 5px;
	width: var(--touch-target);
	height: var(--touch-target);
	border-radius: var(--radius-md);
	color: var(--color-text);
	transition: background var(--duration-fast) var(--ease-out);
}
.nav-toggle:hover {
	background: rgba(255, 255, 255, 0.07);
}
.nav-toggle:active {
	background: rgba(255, 255, 255, 0.12);
}

.nav-toggle-bar {
	display: block;
	width: 20px;
	height: 2px;
	background: currentColor;
	border-radius: var(--radius-full);
	margin-inline: auto;
	transition:
		transform var(--duration-base) var(--ease-out),
		opacity var(--duration-base) var(--ease-out);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
	transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
	opacity: 0;
	transform: scaleX(0);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
	transform: translateY(-7px) rotate(-45deg);
}

/* Mobile drawer — also above content */
.nav-drawer {
	display: none;
	position: fixed;
	top: calc(var(--nav-height) + var(--space-5) + var(--space-2));
	left: var(--space-5);
	right: var(--space-5);
	background: rgba(14, 16, 28, 0.92);
	backdrop-filter: blur(24px);
	-webkit-backdrop-filter: blur(24px);
	border: 1px solid rgba(255, 255, 255, 0.09);
	border-radius: var(--radius-xl);
	padding: var(--space-4);
	z-index: 999;
	flex-direction: column;
	gap: var(--space-1);
	box-shadow: 0 24px 64px rgba(0, 0, 0, 0.6);
}
.nav-drawer[aria-hidden="false"] {
	display: flex;
}

.nav-drawer-link {
	display: flex;
	align-items: center;
	padding: var(--space-3) var(--space-4);
	min-height: var(--touch-target);
	font-size: var(--text-base);
	font-weight: var(--weight-medium);
	color: var(--color-text-secondary);
	border-radius: var(--radius-lg);
	transition:
		color var(--duration-fast) var(--ease-out),
		background var(--duration-fast) var(--ease-out);
}
.nav-drawer-link:hover {
	color: var(--color-text);
	background: rgba(255, 255, 255, 0.07);
}
.nav-drawer-link:active {
	background: rgba(255, 255, 255, 0.12);
}

.nav-drawer-cta {
	margin-top: var(--space-2);
	padding-top: var(--space-3);
	border-top: 1px solid rgba(255, 255, 255, 0.08);
}

/* ═══════════════════════════════════════════════════════════
   BUTTONS
   ═══════════════════════════════════════════════════════════ */

.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: var(--space-2);
	padding-inline: var(--space-5);
	height: var(--touch-target);
	min-width: var(--touch-target);
	border-radius: var(--radius-full);
	font-family: var(--font-sans);
	font-size: var(--text-sm);
	font-weight: var(--weight-semibold);
	letter-spacing: var(--tracking-wide);
	white-space: nowrap;
	cursor: pointer;
	border: 1px solid transparent;
	text-decoration: none;
	user-select: none;
	transition:
		background var(--duration-fast) var(--ease-out),
		border-color var(--duration-fast) var(--ease-out),
		color var(--duration-fast) var(--ease-out),
		box-shadow var(--duration-fast) var(--ease-out),
		transform var(--duration-fast) var(--ease-spring);
}

.btn-primary {
	background: var(--color-primary);
	color: var(--color-text);
	border-color: var(--color-primary);
}
.btn-primary:hover {
	background: var(--color-primary-focus);
	border-color: var(--color-primary-focus);
	box-shadow: var(--shadow-primary-lg);
	transform: translateY(-1px);
}
.btn-primary:active {
	transform: translateY(0);
	box-shadow: none;
}

.btn-ghost {
	background: transparent;
	color: var(--color-text-secondary);
	border-color: rgba(255, 255, 255, 0.15);
}
.btn-ghost:hover {
	color: var(--color-text);
	border-color: rgba(255, 255, 255, 0.3);
	background: rgba(255, 255, 255, 0.06);
}
.btn-ghost:active {
	background: rgba(255, 255, 255, 0.1);
}

.btn-lg {
	height: 52px;
	padding-inline: var(--space-8);
	font-size: var(--text-base);
}

.btn:disabled,
.btn[aria-disabled="true"] {
	opacity: 0.4;
	cursor: not-allowed;
	pointer-events: none;
}

/* ═══════════════════════════════════════════════════════════
   BADGE
   ═══════════════════════════════════════════════════════════ */

.badge {
	display: inline-flex;
	align-items: center;
	gap: var(--space-2);
	padding: 0.3rem 0.75rem;
	border-radius: var(--radius-full);
	font-size: var(--text-xs);
	font-weight: var(--weight-semibold);
	letter-spacing: var(--tracking-wider);
	text-transform: uppercase;
	line-height: 1;
	white-space: nowrap;
}

.badge-primary {
	background: var(--color-primary-dim);
	color: var(--color-primary-focus);
	border: 1px solid var(--color-primary-mid);
}

.badge-dot {
	width: 6px;
	height: 6px;
	border-radius: var(--radius-full);
	background: currentColor;
	flex-shrink: 0;
}

.badge-dot--pulse {
	animation: dot-pulse 2s ease-in-out infinite;
}

@keyframes dot-pulse {
	0%,
	100% {
		opacity: 1;
	}
	50% {
		opacity: 0.35;
	}
}