/* ==========================================================================
   1. Custom Properties (Design Tokens)
   ========================================================================== */
:root {
	/* Colors — Royal blue & white */
	--color-primary: #1e40af;
	--color-primary-dark: #1e3a8a;
	--color-primary-light: #3b82f6;
	--color-text: #1f2937;
	--color-text-light: #6b7280;
	--color-bg: #ffffff;
	--color-bg-alt: #f0f4ff;
	--color-border: #e5e7eb;
	--color-white: #ffffff;

	/* Typography */
	--font-family: 'Heebo', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
	--font-size-base: 1rem;
	--font-size-lg: 1.125rem;
	--font-size-xl: 1.5rem;
	--font-size-2xl: 2rem;
	--font-size-3xl: 2.5rem;
	--font-size-4xl: 3rem;

	/* Spacing */
	--spacing-xs: 0.5rem;
	--spacing-sm: 1rem;
	--spacing-md: 1.5rem;
	--spacing-lg: 2rem;
	--spacing-xl: 3rem;
	--spacing-2xl: 4rem;
	--spacing-3xl: 6rem;

	/* Layout */
	--max-width: 1200px;
	--header-height: 72px;

	/* Transitions */
	--transition: 0.3s ease;
}

/* ==========================================================================
   2. Base Styles
   ========================================================================== */
html {
	scroll-behavior: smooth;
}

body {
	font-family: var(--font-family);
	font-size: var(--font-size-base);
	line-height: 1.7;
	color: var(--color-text);
	background-color: var(--color-bg);
	direction: rtl;
	text-align: right;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
}

/* ==========================================================================
   3. Typography
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
	font-weight: 700;
	line-height: 1.3;
	margin-block-start: 0;
	margin-block-end: var(--spacing-sm);
	color: var(--color-text);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }

a {
	color: var(--color-primary);
	text-decoration: none;
	transition: color var(--transition);
}

a:hover,
a:focus-visible {
	color: var(--color-primary-dark);
}

p {
	margin-block-start: 0;
	margin-block-end: var(--spacing-sm);
}

/* ==========================================================================
   4. Layout
   ========================================================================== */
.site-main {
	min-height: 100vh;
}

.site-main--front-page {
	padding: 0;
}

/* Scroll offset for sticky header */
section[id] {
	scroll-margin-top: var(--header-height);
}

/* ==========================================================================
   5. Fallback Header
   ========================================================================== */
.site-header {
	position: sticky;
	top: 0;
	z-index: 100;
	background-color: var(--color-white);
	border-block-end: 1px solid var(--color-border);
	height: var(--header-height);
}

.site-header__container {
	display: flex;
	align-items: center;
	justify-content: space-between;
	max-width: var(--max-width);
	margin-inline: auto;
	padding-inline: var(--spacing-md);
	height: 100%;
}

.site-header__branding {
	flex-shrink: 0;
}

.site-header__site-name {
	font-size: var(--font-size-xl);
	font-weight: 700;
	color: var(--color-primary);
	text-decoration: none;
}

.site-header__site-name:hover {
	color: var(--color-primary-dark);
}

/* Hamburger menu toggle */
.site-header__menu-toggle {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 44px;
	height: 44px;
	padding: 0;
	background: none;
	border: none;
	cursor: pointer;
}

.site-header__menu-icon,
.site-header__menu-icon::before,
.site-header__menu-icon::after {
	display: block;
	width: 24px;
	height: 2px;
	background-color: var(--color-text);
	transition: transform var(--transition), opacity var(--transition);
}

.site-header__menu-icon {
	position: relative;
}

.site-header__menu-icon::before,
.site-header__menu-icon::after {
	content: '';
	position: absolute;
	inset-inline-start: 0;
}

.site-header__menu-icon::before {
	top: -7px;
}

.site-header__menu-icon::after {
	top: 7px;
}

/* Navigation */
.site-header__nav {
	display: none;
	position: absolute;
	top: var(--header-height);
	inset-inline-start: 0;
	inset-inline-end: 0;
	background-color: var(--color-white);
	border-block-end: 1px solid var(--color-border);
	box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.site-header__nav--open {
	display: block;
}

.site-header__menu {
	list-style: none;
	margin: 0;
	padding: var(--spacing-sm) 0;
}

.site-header__menu li {
	margin: 0;
}

.site-header__menu a {
	display: block;
	padding: var(--spacing-xs) var(--spacing-md);
	color: var(--color-text);
	font-weight: 500;
	transition: background-color var(--transition), color var(--transition);
}

.site-header__menu a:hover,
.site-header__menu a:focus-visible {
	background-color: var(--color-bg-alt);
	color: var(--color-primary);
}

/* ==========================================================================
   6. Fallback Footer
   ========================================================================== */
.site-footer {
	background-color: var(--color-text);
	color: var(--color-white);
	padding-block: var(--spacing-lg);
}

.site-footer__container {
	max-width: var(--max-width);
	margin-inline: auto;
	padding-inline: var(--spacing-md);
}

.site-footer__copyright {
	margin: 0;
	font-size: 0.875rem;
	color: var(--color-text-light);
}

.site-footer a {
	color: var(--color-white);
}

.site-footer a:hover {
	color: var(--color-primary-light);
}

/* ==========================================================================
   7. Entry / Post Styles
   ========================================================================== */
.entry {
	max-width: var(--max-width);
	margin-inline: auto;
	padding-inline: var(--spacing-md);
	padding-block: var(--spacing-xl);
}

.entry__header {
	margin-block-end: var(--spacing-lg);
}

.entry__title {
	color: var(--color-text);
}

.entry__title a {
	color: inherit;
}

.entry__title a:hover {
	color: var(--color-primary);
}

.entry__content {
	line-height: 1.8;
}

/* ==========================================================================
   8. 404 / No Results
   ========================================================================== */
.error-404,
.no-results {
	max-width: var(--max-width);
	margin-inline: auto;
	padding-inline: var(--spacing-md);
	padding-block: var(--spacing-3xl);
	text-align: center;
}

.error-404__title,
.no-results__title {
	font-size: var(--font-size-3xl);
	margin-block-end: var(--spacing-md);
}

.error-404__message,
.no-results__message {
	font-size: var(--font-size-lg);
	color: var(--color-text-light);
	margin-block-end: var(--spacing-lg);
}

.error-404__link {
	display: inline-block;
	padding: var(--spacing-xs) var(--spacing-lg);
	background-color: var(--color-primary);
	color: var(--color-white);
	border-radius: 6px;
	font-weight: 500;
	transition: background-color var(--transition);
}

.error-404__link:hover,
.error-404__link:focus-visible {
	background-color: var(--color-primary-dark);
	color: var(--color-white);
}

/* ==========================================================================
   9. Widget Styles
   ========================================================================== */
.widget {
	margin-block-end: var(--spacing-lg);
}

.widget__title {
	font-size: var(--font-size-lg);
	font-weight: 700;
	margin-block-end: var(--spacing-sm);
}

/* ==========================================================================
   10. Responsive — Mobile-first breakpoints
   ========================================================================== */

/* Tablet: 768px+ */
@media (min-width: 48em) {
	h1 { font-size: var(--font-size-4xl); }
	h2 { font-size: var(--font-size-3xl); }

	/* Show desktop nav, hide hamburger */
	.site-header__menu-toggle {
		display: none;
	}

	.site-header__nav {
		display: block;
		position: static;
		background: none;
		border: none;
		box-shadow: none;
	}

	.site-header__menu {
		display: flex;
		gap: var(--spacing-xs);
		padding: 0;
	}

	.site-header__menu a {
		padding: var(--spacing-xs) var(--spacing-sm);
		border-radius: 4px;
	}

	.site-header__menu a:hover,
	.site-header__menu a:focus-visible {
		background-color: var(--color-bg-alt);
	}
}

/* Desktop: 1024px+ */
@media (min-width: 64em) {
	.site-header__container {
		padding-inline: var(--spacing-lg);
	}

	.entry {
		padding-inline: var(--spacing-lg);
	}
}