/**
 * Design System Styles
 * Modern, premium, edtech design with 8px spacing system
 */

:root {
	/* Spacing (8px system) */
	--dd-spacing-xs: 8px;
	--dd-spacing-sm: 16px;
	--dd-spacing-md: 24px;
	--dd-spacing-lg: 32px;
	--dd-spacing-xl: 48px;
	--dd-spacing-2xl: 64px;
	--dd-spacing-3xl: 96px;

	/* Colors */
	--dd-bg: #f8f4ef;
	--dd-surface: var(--dd-bg);
	--dd-surface-2: #f1ece5;
	--dd-surface-3: #ebe4dc;
	--dd-border: #e4ddd5;
	--dd-text: #1a1a1a;
	--dd-text-muted: #6b6460;
	--dd-muted: var(--dd-text-muted);
	--dd-primary: #8b1d2c;
	--dd-primary-hover: #761724;
	--dd-secondary: #c69a3b;
	--dd-primary-rgb: 139, 29, 44;
	--dd-secondary-rgb: 198, 154, 59;
	--dd-accent: var(--dd-primary);
	--dd-accent-hover: var(--dd-primary-hover);
	
	/* Accent colors */
	--dd-accent-blue: var(--dd-primary);
	--dd-accent-purple: var(--dd-secondary);
	--dd-accent-green: #2f8f6a;
	--dd-accent-orange: #b8793a;
	--dd-accent-pink: #b64b5f;
	
	/* Gradient backgrounds */
	--dd-gradient-primary: linear-gradient(135deg, #8b1d2c 0%, #c69a3b 100%);
	--dd-gradient-accent: linear-gradient(135deg, #8b1d2c 0%, #c69a3b 100%);
	--dd-gradient-warm: linear-gradient(135deg, #a53b42 0%, #c69a3b 100%);
	--dd-gradient-cool: linear-gradient(135deg, #f0e6db 0%, #f7f2ea 100%);
	--dd-gradient-soft: linear-gradient(135deg, rgba(139, 29, 44, 0.08) 0%, rgba(198, 154, 59, 0.08) 100%);

	/* Calendar colors */
	--dd-individual: var(--dd-primary);
	--dd-group: var(--dd-secondary);
	--dd-available: #2f8f6a;

	/* Border radius */
	--dd-radius-sm: 0.5rem;
	--dd-radius-md: 1rem;
	--dd-radius-lg: 1.5rem;
	--dd-radius-2xl: 2rem;

	/* Shadows */
	--dd-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
	--dd-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
	--dd-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);

	/* Transitions */
	--dd-transition: all 0.2s ease;
	--dd-transition-fast: all 0.15s ease;

	/* Focus ring */
	--dd-focus-ring: 0 0 0 3px rgba(var(--dd-primary-rgb), 0.35);
}

/* Focus visible - keyboard navigation (visible only for keyboard, not mouse) */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
	outline: 2px solid var(--dd-accent);
	outline-offset: 2px;
}

.dd-burger:focus-visible,
.dd-home-burger:focus-visible,
.dd-cta:focus-visible,
.dd-home-btn:focus-visible {
	outline: 2px solid var(--dd-accent);
	outline-offset: 2px;
}

.dd-lang-btn:focus-visible {
	outline: 2px solid var(--dd-accent);
	outline-offset: 1px;
}

/* Base typography */
body,
.wp-site-blocks {
	font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;
	font-size: 16px;
	line-height: 1.6;
	color: var(--dd-text);
	background-color: var(--dd-surface);
}

h1,
.wp-block-heading h1,
h1.wp-block-heading {
	font-size: clamp(2rem, 5vw, 2.75rem);
	line-height: 1.2;
	font-weight: 700;
	margin-bottom: var(--dd-spacing-md);
	color: var(--dd-text);
}

h2,
.wp-block-heading h2,
h2.wp-block-heading {
	font-size: clamp(1.5rem, 4vw, 2rem);
	line-height: 1.3;
	font-weight: 600;
	margin-bottom: var(--dd-spacing-sm);
	color: var(--dd-text);
}

h3,
.wp-block-heading h3,
h3.wp-block-heading {
	font-size: clamp(1.25rem, 3vw, 1.5rem);
	line-height: 1.4;
	font-weight: 600;
	margin-bottom: var(--dd-spacing-sm);
	color: var(--dd-text);
}

/* Container */
.dd-container {
	max-width: 1200px;
	margin: 0 auto;
	padding: 0 var(--dd-spacing-md);
}

/* Section spacing */
.dd-section {
	padding: var(--dd-spacing-xl) 0;
}

@media (min-width: 1024px) {
	.dd-section {
		padding: var(--dd-spacing-2xl) 0;
	}
}

/* Buttons */
.dd-button,
.wp-block-button__link {
	display: inline-block;
	padding: var(--dd-spacing-sm) var(--dd-spacing-lg);
	border-radius: var(--dd-radius-2xl);
	font-weight: 500;
	text-decoration: none;
	transition: var(--dd-transition);
	cursor: pointer;
	border: none;
	font-size: 1rem;
	line-height: 1.5;
}

.dd-button-primary,
.wp-block-button.is-style-fill .wp-block-button__link {
	background-color: var(--dd-accent);
	color: var(--dd-surface);
}

.dd-button-primary:hover,
.wp-block-button.is-style-fill .wp-block-button__link:hover {
	background-color: var(--dd-accent-hover);
	transform: translateY(-1px);
	box-shadow: var(--dd-shadow-md);
}

.dd-button-primary:focus,
.wp-block-button.is-style-fill .wp-block-button__link:focus {
	outline: 2px solid var(--dd-accent);
	outline-offset: 2px;
}

.dd-button-secondary,
.wp-block-button.is-style-outline .wp-block-button__link {
	background-color: transparent;
	color: var(--dd-accent);
	border: 2px solid var(--dd-accent);
}

.dd-button-secondary:hover,
.wp-block-button.is-style-outline .wp-block-button__link:hover {
	background-color: var(--dd-accent);
	color: var(--dd-surface);
	transform: translateY(-1px);
}

.dd-button-secondary:focus,
.wp-block-button.is-style-outline .wp-block-button__link:focus {
	outline: 2px solid var(--dd-accent);
	outline-offset: 2px;
}

/* WordPress Block Groups */
.wp-block-group {
	margin-bottom: var(--dd-spacing-lg);
}

.wp-block-group.has-base-2-background-color {
	background-color: var(--dd-surface-2);
}

/* Cards */
.dd-card,
.wp-block-group.has-base-2-background-color {
	background: var(--dd-surface);
	border-radius: var(--dd-radius-2xl);
	padding: var(--dd-spacing-lg);
	box-shadow: var(--dd-shadow-sm);
	transition: var(--dd-transition);
}

.dd-card:hover,
.wp-block-group.has-base-2-background-color:hover {
	box-shadow: var(--dd-shadow-md);
	transform: translateY(-2px);
}

@media (prefers-reduced-motion: reduce) {
	.dd-card:hover,
	.wp-block-group.has-base-2-background-color:hover {
		transform: none;
	}
}

/* Product card */
.dd-product-card {
	display: flex;
	flex-direction: column;
	height: 100%;
}

.dd-product-card-image {
	aspect-ratio: 4 / 5;
	object-fit: cover;
	border-radius: var(--dd-radius-lg);
	margin-bottom: var(--dd-spacing-sm);
}

.dd-product-card-title {
	font-size: 1.125rem;
	font-weight: 600;
	margin-bottom: var(--dd-spacing-xs);
	line-height: 1.4;
}

.dd-product-card-excerpt {
	color: var(--dd-text-muted);
	font-size: 0.875rem;
	margin-bottom: var(--dd-spacing-sm);
	flex-grow: 1;
}

.dd-product-card-price {
	font-size: 1.25rem;
	font-weight: 700;
	color: var(--dd-accent);
	margin-bottom: var(--dd-spacing-sm);
}

/* Badges */
.dd-badge,
.dd-level-badge,
.dd-type-badge {
	display: inline-block;
	padding: 0.25rem 0.75rem;
	border-radius: var(--dd-radius-sm);
	font-size: 0.875rem;
	font-weight: 500;
	background: var(--dd-surface-2);
	color: var(--dd-text);
	border: 1px solid var(--dd-border);
}

.dd-level-badge[data-level="a1"],
.dd-level-badge[data-level="a2"] {
	background: #dbeafe;
	color: #1e40af;
	border-color: #93c5fd;
}

.dd-level-badge[data-level="b1"],
.dd-level-badge[data-level="b2"] {
	background: #d1fae5;
	color: #065f46;
	border-color: #6ee7b7;
}

.dd-level-badge[data-level="c1"] {
	background: #fef3c7;
	color: #92400e;
	border-color: #fcd34d;
}

.dd-type-badge[data-type="individual"] {
	background: #dbeafe;
	color: #1e40af;
}

.dd-type-badge[data-type="group"] {
	background: #ede9fe;
	color: #5b21b6;
}

/* Focus states (accessibility) */
a:focus,
button:focus,
input:focus,
textarea:focus,
select:focus {
	outline: 2px solid var(--dd-accent);
	outline-offset: 2px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
	*,
	*::before,
	*::after {
		animation-duration: 0.01ms !important;
		animation-iteration-count: 1 !important;
		transition-duration: 0.01ms !important;
	}
}

/* WordPress Block Columns */
.wp-block-columns {
	gap: var(--dd-spacing-lg);
	margin-bottom: var(--dd-spacing-lg);
}

.wp-block-column {
	padding: 0;
}

/* WordPress Block Paragraphs */
.wp-block-paragraph {
	margin-bottom: var(--dd-spacing-md);
	color: var(--dd-text);
	line-height: 1.6;
}

/* WordPress Block Links */
a {
	color: var(--dd-accent);
	text-decoration: none;
	transition: var(--dd-transition);
}

a:hover {
	color: var(--dd-accent-hover);
	text-decoration: underline;
}

/* WordPress Block Separators */
.wp-block-separator {
	border-color: var(--dd-border);
	margin: var(--dd-spacing-xl) 0;
}

/* Mobile adjustments */
@media (max-width: 767px) {
	.dd-section {
		padding: var(--dd-spacing-lg) 0;
	}

	.dd-button,
	.wp-block-button__link {
		width: 100%;
		text-align: center;
	}

	h1,
	.wp-block-heading h1,
	h1.wp-block-heading {
		font-size: 2rem;
	}

	h2,
	.wp-block-heading h2,
	h2.wp-block-heading {
		font-size: 1.5rem;
	}
	
	.wp-block-columns {
		flex-direction: column;
	}
}