/**
 * Nemus Blog — header clone nemus.studio (Fase A).
 * Estratto da public/css/style.css (.header, .logo, .nav, glow, menu mobile).
 */

.header {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	z-index: 100;
	display: flex;
	align-items: center;
	justify-content: flex-start;
	gap: 0;
	padding: calc(1rem + env(safe-area-inset-top, 0px)) 2rem 1rem;
	background-color: #1a2e1a;
	border-bottom: var(--border-width) solid rgba(90, 143, 74, 0.45);
	box-shadow: inset 0 -1px 0 rgba(232, 220, 200, 0.06);
}

.admin-bar .header {
	top: 32px;
}

@media (max-width: 782px) {
	.admin-bar .header {
		top: 46px;
	}
}

.logo {
	display: flex;
	align-items: center;
	gap: 0.75rem;
	text-decoration: none;
	color: var(--parchment);
	flex-shrink: 0;
	min-width: 0;
}

.logo-icon {
	image-rendering: pixelated;
	flex-shrink: 0;
}

.logo-text {
	font-family: var(--font-header);
	font-size: 1.15rem;
	font-weight: 800;
	font-stretch: expanded;
	font-variation-settings: "wght" 800, "wdth" 130;
	letter-spacing: 0.02em;
}

.logo-accent {
	color: var(--moss-bright);
	font-weight: 400;
	font-variation-settings: "wght" 400, "wdth" 130;
}

.header .logo {
	--logo-breathe-duration: 4s;
	--logo-wordmark-cycle: 7s;
}

.header .logo .logo-icon {
	transform-box: fill-box;
	transform-origin: center bottom;
	animation: logo-breathe var(--logo-breathe-duration) ease-in-out infinite;
}

.header .logo .logo-canopy {
	transform-box: fill-box;
	transform-origin: center bottom;
	animation: logo-canopy-breathe var(--logo-breathe-duration) ease-in-out infinite;
}

.header .logo .logo-trunk {
	transform-box: fill-box;
	transform-origin: center bottom;
	animation: logo-trunk-breathe var(--logo-breathe-duration) ease-in-out infinite;
}

.header .logo .logo-accent {
	animation: logo-accent-glow-sequence var(--logo-wordmark-cycle) ease-in-out infinite;
}

@keyframes logo-breathe {
	0%, 100% {
		transform: scale(1) translateY(0);
	}

	50% {
		transform: scale(1.03) translateY(-0.75px);
	}
}

@keyframes logo-canopy-breathe {
	0%, 100% {
		transform: scaleY(1);
	}

	50% {
		transform: scaleY(1.05);
	}
}

@keyframes logo-trunk-breathe {
	0%, 100% {
		transform: scaleY(1);
	}

	50% {
		transform: scaleY(1.03);
	}
}

@keyframes logo-nemus-letter-glow {
	0%, 18%, 42%, 100% {
		color: var(--nemus-glow-base);
		text-shadow: 0 0 0 transparent;
	}

	28%, 36% {
		color: var(--nemus-glow-color);
		text-shadow: var(--nemus-glow-shadow);
	}
}

@keyframes logo-accent-glow-sequence {
	0%, 48%, 68%, 100% {
		color: var(--moss-bright);
		text-shadow: 0 0 0 transparent;
	}

	55%, 62% {
		color: var(--moss-glow);
		text-shadow:
			0 0 8px rgba(107, 168, 90, 0.75),
			0 0 16px rgba(107, 168, 90, 0.45),
			0 0 24px rgba(90, 143, 74, 0.25);
	}
}

.nemus-glow-word {
	display: inline-block;
	white-space: nowrap;
}

.nemus-glow-letter {
	display: inline-block;
	--nemus-glow-base: var(--text-primary);
	--nemus-glow-color: #f8f2e8;
	--nemus-glow-shadow:
		0 0 6px rgba(232, 220, 200, 0.75),
		0 0 14px rgba(107, 168, 90, 0.35);
	color: var(--nemus-glow-base);
	text-shadow: 0 0 0 transparent;
	animation: nemus-letter-glow 4s ease-in-out infinite;
	animation-delay: calc(var(--letter-i, 0) * 0.22s);
	animation-play-state: paused;
}

.nemus-glow-word--logo .nemus-glow-letter {
	--nemus-glow-base: var(--parchment);
	letter-spacing: 0.02em;
	animation: logo-nemus-letter-glow var(--logo-wordmark-cycle) ease-in-out infinite;
	animation-delay: calc(var(--letter-i, 0) * 0.22s);
	animation-play-state: running;
}

.nemus-glow-word.is-active .nemus-glow-letter {
	animation-play-state: running;
}

@keyframes nemus-letter-glow {
	0%, 18%, 42%, 100% {
		color: var(--nemus-glow-base);
		text-shadow: 0 0 0 transparent;
	}

	28%, 36% {
		color: var(--nemus-glow-color);
		text-shadow: var(--nemus-glow-shadow);
	}
}

@media (prefers-reduced-motion: reduce) {
	.header .logo .logo-icon,
	.header .logo .logo-accent,
	.header .logo .logo-canopy,
	.header .logo .logo-trunk {
		animation: none;
		transform: none;
		text-shadow: none;
	}

	.nemus-glow-letter {
		animation: none;
		color: var(--parchment);
		text-shadow: none;
	}
}

.nav {
	display: flex;
	align-items: center;
	justify-content: flex-end;
	gap: clamp(0.5rem, 1.5vw, 2rem);
	min-width: 0;
	margin-left: auto;
	flex-shrink: 1;
}

.nav a,
.nav .is-current {
	font-family: var(--font-body);
	font-size: 0.95rem;
	font-weight: 500;
	letter-spacing: 0.04em;
	text-transform: uppercase;
	color: var(--parchment-dim);
	text-decoration: none;
	transition: color 0.2s;
	position: relative;
	white-space: nowrap;
	flex-shrink: 0;
}

.nav a::after {
	content: '';
	position: absolute;
	bottom: -4px;
	left: 0;
	width: 0;
	height: var(--pixel);
	background: var(--moss);
	transition: width 0.2s;
}

.nav a:hover {
	color: var(--moss-glow);
}

.nav a:hover::after {
	width: 100%;
}

.nav .is-current {
	color: var(--moss-glow);
	cursor: default;
}

.nav .is-current::after {
	content: '';
	position: absolute;
	bottom: -4px;
	left: 0;
	width: 100%;
	height: var(--pixel);
	background: var(--moss);
}

.menu-toggle {
	display: none;
	flex-direction: column;
	flex-shrink: 0;
	margin-left: auto;
	gap: 5px;
	background: none;
	border: none;
	cursor: pointer;
	padding: 4px;
}

.menu-toggle span {
	display: block;
	width: 24px;
	height: 3px;
	background: var(--parchment);
	image-rendering: pixelated;
	transform-origin: center;
	transition: transform 0.28s ease, opacity 0.2s ease;
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) {
	transform: translateY(8px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:nth-child(2) {
	opacity: 0;
	transform: scaleX(0);
}

.menu-toggle[aria-expanded="true"] span:nth-child(3) {
	transform: translateY(-8px) rotate(-45deg);
}

@media (prefers-reduced-motion: reduce) {
	.menu-toggle span {
		transition: none;
	}
}

/* Spazio sotto header fixed */
.wp-site-blocks > main,
.wp-site-blocks > .nemus-main {
	padding-top: calc(4.25rem + env(safe-area-inset-top, 0px));
}

.admin-bar .wp-site-blocks > main,
.admin-bar .wp-site-blocks > .nemus-main {
	padding-top: calc(4.25rem + 32px + env(safe-area-inset-top, 0px));
}

@media (min-width: 641px) and (max-width: 1040px) {
	.header {
		padding-inline: clamp(1rem, 2.5vw, 2rem);
	}

	.logo {
		gap: clamp(0.35rem, 1vw, 0.75rem);
	}

	.header .logo-text {
		font-size: clamp(0.82rem, 1.55vw, 1.15rem);
	}

	.header .logo-icon {
		width: clamp(24px, 3.5vw, 32px);
		height: clamp(24px, 3.5vw, 32px);
	}

	.nav {
		gap: clamp(0.5rem, 1.2vw, 1.5rem);
	}

	.nav a,
	.nav .is-current {
		font-size: clamp(0.76rem, 0.55vw + 0.52rem, 0.95rem);
		letter-spacing: 0.03em;
	}
}

@media (min-width: 641px) and (max-width: 760px) {
	.nav a,
	.nav .is-current {
		font-size: clamp(0.68rem, 0.45vw + 0.46rem, 0.82rem);
		letter-spacing: 0.02em;
	}

	.nav {
		gap: clamp(0.35rem, 0.8vw, 0.75rem);
	}
}

@media (max-width: 900px) {
	.nav {
		display: none;
		position: absolute;
		top: 100%;
		left: 0;
		right: 0;
		flex-direction: column;
		align-items: flex-start;
		background: var(--bg-base);
		padding: 1rem 2rem;
		border-bottom: var(--pixel) solid var(--forest-mid);
		gap: 1rem;
	}

	.nav.open {
		display: flex;
	}

	.menu-toggle {
		display: flex;
	}

	.header {
		padding: calc(1rem + env(safe-area-inset-top, 0px)) 1.25rem 1rem;
		justify-content: space-between;
	}

	.logo-text {
		font-size: 0.9rem;
	}
}

@media (max-width: 782px) {
	.admin-bar .wp-site-blocks > main,
	.admin-bar .wp-site-blocks > .nemus-main {
		padding-top: calc(4.25rem + 46px + env(safe-area-inset-top, 0px));
	}
}