/**
 * Navigation Styles
 *
 * Static nav bar with site title (left), tagline (center), hamburger (right).
 * Full-screen menu slides in from right.
 */

/* === Nav Bar === */
.portfolio-nav {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 0.5rem 0;
	max-width: var(--portfolio-content-width, 1240px);
	margin: 0 auto;
	position: relative;
	z-index: 200;
	height: 3rem;
}

/* Extra top spacing on front page nav */
.portfolio-hero ~ .portfolio-hero,
body.home .portfolio-nav {
	margin-top: 3rem;
}

.portfolio-nav__title {
	font-family: var(--wp--preset--font-family--instrument-sans, 'Instrument Sans', sans-serif);
	font-size: 1rem;
	font-weight: 700;
	color: var(--wp--preset--color--accent-500, #8B5BF5);
	text-decoration: none;
	text-transform: uppercase;
	line-height: 1;
}

.portfolio-nav__title:hover {
	color: var(--wp--preset--color--accent-400, #a584f7);
}

.portfolio-nav__tagline {
	font-family: var(--wp--preset--font-family--instrument-sans, 'Instrument Sans', sans-serif);
	font-size: 1rem;
	color: var(--wp--preset--color--accent-500, #8B5BF5);
	position: absolute;
	left: 50%;
	transform: translateX(-50%);
	white-space: nowrap;
}

/* === Hamburger Button === */
.portfolio-nav__toggle {
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	gap: 6px;
	width: 2.5rem;
	height: 2.5rem;
	padding: 0;
	border: none;
	background: transparent;
	cursor: pointer;
	z-index: 250;
	position: relative;
	outline: none;
}

.portfolio-nav__toggle:focus-visible {
	outline: 2px solid var(--wp--preset--color--accent-500, #8B5BF5);
	outline-offset: 4px;
}

.portfolio-nav__toggle span {
	display: block;
	width: 1.5rem;
	height: 2px;
	background-color: var(--wp--preset--color--accent-500, #8B5BF5);
	transition: transform var(--portfolio-transition-speed, 300ms) ease,
		opacity var(--portfolio-transition-speed, 300ms) ease;
	transform-origin: center;
}

/* Hamburger → X transformation */
.portfolio-nav__toggle[aria-expanded="true"] span:first-child {
	transform: translateY(4px) rotate(45deg);
}

.portfolio-nav__toggle[aria-expanded="true"] span:last-child {
	transform: translateY(-4px) rotate(-45deg);
}

/* === Full-Screen Menu === */
.portfolio-menu {
	position: fixed;
	top: 0;
	right: 0;
	width: 100%;
	height: 100vh;
	background-color: var(--wp--preset--color--background, #0d0d0d);
	z-index: 199;
	display: flex;
	flex-direction: column;
	justify-content: center;
	padding: 2rem 0;
	opacity: 0;
	visibility: hidden;
	transition: opacity 150ms ease, visibility 0ms linear 150ms;
	overflow-y: auto;
}

.portfolio-menu[aria-hidden="false"] {
	opacity: 1;
	visibility: visible;
	transition: opacity 150ms ease, visibility 0ms linear 0ms;
}

/* Instant close (no reverse animation) */
.portfolio-menu.is-closing {
	transition: none;
	opacity: 0;
	visibility: hidden;
}

/* === Menu Content === */
.portfolio-menu__content {
	max-width: var(--portfolio-content-width, 1240px);
	width: 100%;
	margin: 0 auto;
	padding: 4rem 1rem;
	box-sizing: border-box;
}

/* === Menu Section Headers === */
.portfolio-menu__section-title {
	font-family: var(--wp--preset--font-family--instrument-sans, 'Instrument Sans', sans-serif);
	font-size: 1.5rem;
	font-weight: 700;
	color: var(--wp--preset--color--foreground, #f7f6f7);
	margin: 2rem 0 1rem;
	padding: 0;
}

.portfolio-menu__section-title:first-child {
	margin-top: 0;
}

/* === Menu Links === */
.portfolio-menu__links {
	list-style: none;
	padding: 0;
	margin: 0;
}

.portfolio-menu__links li {
	border-bottom: 1px solid var(--wp--preset--color--accent-700, #4b189a);
}

.portfolio-menu__links li:last-child {
	border-bottom: none;
}

.portfolio-menu__links a {
	display: flex;
	align-items: center;
	gap: 0.75rem;
	padding: 1rem 0;
	font-family: var(--wp--preset--font-family--instrument-sans, 'Instrument Sans', sans-serif);
	font-size: 1.25rem;
	color: var(--wp--preset--color--foreground, #f7f6f7);
	text-decoration: none;
	outline: none;
	transition: color var(--portfolio-transition-speed, 300ms) ease;
}

.portfolio-menu__links a:focus-visible {
	outline: 2px solid var(--wp--preset--color--accent-500, #8B5BF5);
	outline-offset: 4px;
}

.portfolio-menu__links a:hover {
	color: var(--wp--preset--color--accent-400, #a584f7);
}

/* Current page indicator: dot */
.portfolio-menu__links a[aria-current="page"]::before {
	content: "";
	display: inline-block;
	width: 0.5rem;
	height: 0.5rem;
	border-radius: 50%;
	background-color: var(--wp--preset--color--accent-500, #8B5BF5);
	flex-shrink: 0;
}

/* === Staggered text animation on open (vertical slide up) === */
.portfolio-menu[aria-hidden="false"] .portfolio-menu__links li {
	opacity: 0;
	transform: translateY(1rem);
	animation: menuSlideUp var(--portfolio-transition-speed, 300ms) ease forwards;
}

.portfolio-menu[aria-hidden="false"] .portfolio-menu__links li:nth-child(1) { animation-delay: 0ms; }
.portfolio-menu[aria-hidden="false"] .portfolio-menu__links li:nth-child(2) { animation-delay: 50ms; }
.portfolio-menu[aria-hidden="false"] .portfolio-menu__links li:nth-child(3) { animation-delay: 100ms; }
.portfolio-menu[aria-hidden="false"] .portfolio-menu__links li:nth-child(4) { animation-delay: 150ms; }
.portfolio-menu[aria-hidden="false"] .portfolio-menu__links li:nth-child(5) { animation-delay: 200ms; }
.portfolio-menu[aria-hidden="false"] .portfolio-menu__links li:nth-child(6) { animation-delay: 250ms; }
.portfolio-menu[aria-hidden="false"] .portfolio-menu__links li:nth-child(7) { animation-delay: 300ms; }
.portfolio-menu[aria-hidden="false"] .portfolio-menu__links li:nth-child(8) { animation-delay: 350ms; }
.portfolio-menu[aria-hidden="false"] .portfolio-menu__links li:nth-child(9) { animation-delay: 400ms; }
.portfolio-menu[aria-hidden="false"] .portfolio-menu__links li:nth-child(10) { animation-delay: 450ms; }

@keyframes menuSlideUp {
	from {
		opacity: 0;
		transform: translateY(1rem);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

/* === Body lock when menu is open === */
body.menu-open {
	overflow: hidden;
}

/* === Responsive: scale menu text for narrower viewports === */
@media (max-width: 767px) {
	.portfolio-menu__section-title {
		font-size: 1.25rem;
	}

	.portfolio-menu__links a {
		font-size: 1.125rem;
	}

	.portfolio-menu__content {
		padding: 2rem 1rem;
	}
}

/* === Hide tagline on narrow screens === */
@media (max-width: 600px) {
	.portfolio-nav__tagline {
		display: none;
	}

	.portfolio-nav__title {
		font-size: 1rem;
	}
}