/* Header & Navigation extracted from css/styles.css on 2025-08-13 */

/* ===== HEADER ===== */
.header {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	z-index: 1000;
	padding: var(--spacing-md) 0;
	background-color: rgba(255, 255, 255, 0.95);
	backdrop-filter: blur(10px);
	box-shadow: var(--shadow-sm);
	transition: all var(--transition-normal);
}

.header.scrolled {
	padding: var(--spacing-sm) 0;
	background-color: rgba(255, 255, 255, 0.98);
	box-shadow: var(--shadow-md);
}

.header .container {
	display: flex;
	justify-content: space-between;
	align-items: center;
}

.logo {
	display: flex;
	align-items: center;
	/* Prevent the logo block from shrinking when space is tight */
	flex-shrink: 0;
}

/* Size the <picture> wrapper to a fixed square */
.logo picture {
	display: block;
	width: 40px;
	height: 40px;
}

.logo-img {
	width: 40px;
	height: 40px;
	margin-right: var(--spacing-sm);
	display: block;
	object-fit: contain;
	/* Ensure the image itself doesn't shrink below intended size */
	flex: 0 0 40px;
}

.logo-text {
	font-size: 1.5rem;
	font-weight: 700;
	letter-spacing: -0.5px;
}

.logo-dot {
	color: var(--color-secondary);
}

.nav-list {
	display: flex;
	gap: var(--spacing-lg);
}

.nav-link {
	font-weight: 500;
	font-size: 1rem;
	position: relative;
	padding: var(--spacing-xs) 0;
}

.nav-link::after {
	content: "";
	position: absolute;
	bottom: 0;
	left: 0;
	width: 0;
	height: 2px;
	background: var(--gradient-primary);
	transition: width var(--transition-normal);
}

.nav-link:hover::after,
.nav-link:focus::after {
	width: 100%;
}

.mobile-nav-toggle {
	display: none;
	cursor: pointer;
}
.mobile-nav-toggle span {
	display: block;
	width: 25px;
	height: 3px;
	background-color: var(--color-dark);
	margin: 5px 0;
	transition: all var(--transition-normal);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
	.nav-list {
		position: fixed;
		top: 80px;
		left: 0;
		width: 100%;
		background-color: white;
		flex-direction: column;
		align-items: center;
		padding: var(--spacing-lg) 0;
		gap: var(--spacing-md);
		box-shadow: var(--shadow-md);
		transform: translateY(-100%);
		transition: transform var(--transition-normal);
		opacity: 0;
		visibility: hidden;
	}

	.nav-list.active {
		transform: translateY(0);
		opacity: 1;
		visibility: visible;
	}
	.mobile-nav-toggle {
		display: block;
	}

	.mobile-nav-toggle.active span:nth-child(1) {
		transform: translateY(8px) rotate(45deg);
	}
	.mobile-nav-toggle.active span:nth-child(2) {
		opacity: 0;
	}
	.mobile-nav-toggle.active span:nth-child(3) {
		transform: translateY(-8px) rotate(-45deg);
	}
}