/*
 * Nibbly CMS - Base Stylesheet
 * Customize the CSS variables below to match your design.
 */

/* ============================================
   CSS VARIABLES - Customize these for your theme
   ============================================ */
:root {
    /* Colors — neutral blue primary */
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --color-primary-dark-muted: #1e40af;
    --color-primary-light: #60a5fa;
    --color-primary-really-dark: #172554;
    --color-primary-btn: radial-gradient(ellipse at 50% 0%, #3b82f6 0%, #2563eb 70%);
    --color-primary-btn-hover: radial-gradient(ellipse at 50% 0%, #60a5fa 0%, #2563eb 70%);
    --color-secondary: #60a5fa;
    --color-text: #171717;
    --color-text-secondary: #525252;
    --color-background: #ffffff;
    --color-background-dark: #eff6ff;
    --color-background-darker: #dbeafe;
    --color-background-section: #f5f5f4;
    --color-background-card: #ffffff;
    --color-white: #ffffff;
    --color-black: #0a0a0a;
    --color-border: rgba(0, 0, 0, 0.08);

    /* Dark theme palette */
    --color-bg-dark: #0c0c0c;
    --color-bg-dark-elevated: #141414;
    --color-bg-dark-card: #1c1c1c;
    --color-bg-light: #fafaf9;
    --color-text-on-dark: #e5e5e5;
    --color-text-on-dark-muted: #a3a3a3;
    --color-border-dark: rgba(255, 255, 255, 0.06);
    --color-border-light: rgba(0, 0, 0, 0.06);

    /* Accent — single hue gradient */
    --gradient-brand: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    --gradient-brand-text: linear-gradient(90deg, #60a5fa 0%, #3b82f6 50%, #60a5fa 100%);

    /* Glass effect */
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.06);

    /* Typography — system fonts */
    --font-display: system-ui, -apple-system, sans-serif;
    --font-body: system-ui, -apple-system, sans-serif;
    --font-mono: 'SF Mono', 'Fira Code', Menlo, Consolas, monospace;

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

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Header */
    --header-height: 80px;
    --header-bg: rgba(255, 255, 255, 0.95);

    /* Container */
    --container-max: 1440px;
    --container-standard: 1280px;
    --container-narrow: 800px;
}

/* ============================================
   RESET & BASE
   ============================================ */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--font-body);
    font-weight: 300;
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-background);
}

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

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

img {
    max-width: 100%;
    height: auto;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 300;
    line-height: 1.2;
    margin-top: 0;
    text-wrap: balance;
}

h1 { font-size: 2.5rem; letter-spacing: -0.025em; }
h2 { font-size: 2rem; letter-spacing: -0.02em; }
h3 { font-size: 1.5rem; font-weight: 500; letter-spacing: -0.015em; }

/* ============================================
   HEADER
   ============================================ */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: var(--header-bg);
    backdrop-filter: blur(10px);
    z-index: 100;
    transition: transform var(--transition-normal), background var(--transition-normal);
    border-bottom: 1px solid var(--color-border);
}

.site-header.header-hidden {
    transform: translateY(-100%);
}

.site-header.header-scrolled {
    box-shadow: 0 2px 16px rgba(12, 12, 12, 0.08);
}

.header-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Logo */
.site-logo {
    display: flex;
    align-items: center;
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--color-text);
    text-decoration: none;
    max-width: 200px;
    overflow: hidden;
}

.site-logo:hover {
    color: var(--color-primary);
}

.site-logo-text {
    margin-left: 0.5rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.site-logo-img {
    flex-shrink: 0;
}

.logo-mask {
    width: 40px;
    height: 40px;
    background: var(--color-primary);
    border-radius: 50%;
}

/* Navigation */
.nav-main {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.nav-list {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--spacing-xs);
}

.nav-list a {
    padding: 6px 18px;
    color: var(--color-text);
    font-size: 0.95rem;
    border-radius: 20px;
    transition: all var(--transition-fast);
}

.nav-list a:hover,
.nav-list a.active {
    color: var(--color-primary);
    background: color-mix(in srgb, var(--color-primary) 8%, transparent);
}

.nav-list a:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Dropdown Navigation */
.nav-item--has-children {
    position: relative;
}

.nav-item--has-children > a {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.nav-chevron {
    opacity: 0.5;
    transition: transform var(--transition-fast);
}

.nav-item--has-children:hover .nav-chevron {
    transform: rotate(180deg);
}

.nav-dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 4px);
    left: 50%;
    transform: translateX(-50%);
    min-width: 180px;
    padding: 8px 0;
    background: var(--color-background-card, var(--color-background));
    border: 1px solid var(--color-border);
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    list-style: none;
    z-index: 100;
}

.nav-item--has-children:hover .nav-dropdown,
.nav-item--has-children:focus-within .nav-dropdown {
    display: block;
}

.nav-dropdown li {
    margin: 0;
}

.nav-dropdown a {
    display: block;
    padding: 8px 20px;
    font-size: 0.9rem;
    white-space: nowrap;
    border-radius: 0;
    background: none;
}

.nav-dropdown a:hover,
.nav-dropdown a.active {
    color: var(--color-primary);
    background: color-mix(in srgb, var(--color-primary) 6%, transparent);
}

/* Language Selector */
.nav-lang {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-left: var(--spacing-sm);
}

.lang-link {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    padding: 4px 8px;
    border-radius: 3px;
}

.lang-link.active {
    color: var(--color-primary);
    font-weight: 600;
}

.lang-separator {
    color: var(--color-text-secondary);
    font-size: 0.8rem;
}

/* Theme Toggle */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: none;
    border-radius: 8px;
    background: transparent;
    cursor: pointer;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast), background var(--transition-fast);
    margin-left: 4px;
    flex-shrink: 0;
}

.theme-toggle:hover {
    color: var(--color-text);
    background: var(--color-background-section);
}

.theme-toggle .theme-icon {
    width: 18px;
    height: 18px;
    display: none;
}

/* Show icon representing CURRENT state (dark=moon, light=sun) */
/* Default (no attribute = dark): show moon */
.theme-toggle .theme-icon-moon { display: block; }
[data-theme="dark"] .theme-toggle .theme-icon-moon { display: block; }
[data-theme="dark"] .theme-toggle .theme-icon-sun { display: none; }

[data-theme="light"] .theme-toggle .theme-icon-moon { display: none; }
[data-theme="light"] .theme-toggle .theme-icon-sun { display: block; }

/* Mobile theme toggle */
.mobile-theme-toggle {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--color-border);
}

.theme-toggle-mobile {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border: 1px solid var(--color-border);
    border-radius: 10px;
    background: transparent;
    cursor: pointer;
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

.theme-toggle-mobile:hover,
.theme-toggle-mobile.active {
    color: var(--color-primary);
    border-color: var(--color-primary);
    background: color-mix(in srgb, var(--color-primary) 8%, transparent);
}

.theme-toggle-mobile svg {
    width: 20px;
    height: 20px;
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: all var(--transition-fast);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Navigation */
.mobile-nav-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-background);
    z-index: 99;
    padding-top: var(--header-height);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.mobile-nav-overlay.active {
    opacity: 1;
}

.mobile-nav {
    padding: var(--spacing-lg) var(--spacing-md);
    text-align: center;
}

.mobile-nav-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.mobile-nav-list li {
    margin-bottom: var(--spacing-sm);
}

.mobile-nav-list a {
    font-size: 1.3rem;
    color: var(--color-text);
    display: block;
    padding: 12px;
}

.mobile-nav-list a.active {
    color: var(--color-primary);
}

.mobile-nav-children {
    list-style: none;
    padding: 0;
    margin: 4px 0 0 0;
}

.mobile-nav-children li {
    margin-bottom: 4px;
}

.mobile-nav-children a {
    font-size: 1.1rem;
    padding: 8px 12px 8px 24px;
    opacity: 0.8;
}

.mobile-nav-children a.active {
    color: var(--color-primary);
    opacity: 1;
}

.mobile-nav-lang {
    margin-top: var(--spacing-lg);
    font-size: 1.1rem;
}

.mobile-nav-lang a {
    color: var(--color-text-secondary);
    padding: 8px;
}

.mobile-nav-lang a.active {
    color: var(--color-primary);
    font-weight: 600;
}

/* ============================================
   LAYOUT
   ============================================ */
.main-content {
    padding-top: calc(var(--header-height) + var(--spacing-lg));
    padding-bottom: var(--spacing-xl);
    min-height: 60vh;
}

.content-inner {
    max-width: var(--container-narrow);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.content-inner h2 {
    font-size: clamp(1.25rem, 2vw, 1.5rem);
    font-weight: 300;
    margin-top: var(--spacing-md);
    margin-bottom: 0.5rem;
}

.content-inner h1 {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary-dark);
}

.page-title {
    margin-bottom: var(--spacing-md);
}

/* ============================================
   CARDS GRID
   ============================================ */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-md) 0;
}

.card-item {
    background: var(--color-background-card);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    overflow: hidden;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.card-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.card-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.card-item h3 {
    margin: var(--spacing-sm) var(--spacing-sm) var(--spacing-xs);
    font-size: 1.2rem;
}

.card-item p {
    margin: 0 var(--spacing-sm) var(--spacing-sm);
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

/* ============================================
   EVENT CARDS
   ============================================ */
.event-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

@media (min-width: 1024px) {
    .page-showcase .event-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.event-card {
    background: var(--color-background-card);
    border: 1px solid var(--color-border);
    border-radius: 0.75rem;
    overflow: hidden;
    position: relative;
    display: flex;
    flex-direction: column;
    transition: transform 0.25s cubic-bezier(0.22, 1, 0.36, 1),
                box-shadow 0.25s cubic-bezier(0.22, 1, 0.36, 1);
}

.event-card:hover {
    transform: translateY(-3px);
    box-shadow:
        0 8px 24px rgba(37, 99, 235, 0.08),
        0 2px 8px rgba(0, 0, 0, 0.06);
}

.event-card__image {
    aspect-ratio: 16 / 9;
    overflow: hidden;
}

.event-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.event-card:hover .event-card__image img {
    transform: scale(1.03);
}

.event-card__body {
    padding: var(--spacing-sm) var(--spacing-md) var(--spacing-md);
    display: flex;
    flex-direction: column;
    flex: 1;
}

.event-card__date {
    display: flex;
    align-items: center;
    gap: 0.4em;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--color-primary);
    letter-spacing: 0.01em;
    margin-bottom: var(--spacing-xs);
    line-height: 1.4;
}

.event-card__date-icon {
    width: 1em;
    height: 1em;
    flex-shrink: 0;
    opacity: 0.7;
}

.event-card__title {
    margin: 0 0 0.35em;
    font-size: 1.15rem;
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: -0.01em;
}

.event-card__title a {
    color: inherit;
    text-decoration: none;
    transition: color 0.15s ease;
}

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

.event-card__location {
    display: flex;
    align-items: center;
    gap: 0.35em;
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xs);
}

.event-card__location-icon {
    width: 0.95em;
    height: 0.95em;
    flex-shrink: 0;
    opacity: 0.5;
}

.event-card__desc {
    font-size: 0.88rem;
    line-height: 1.6;
    color: var(--color-text-secondary);
    margin: 0 0 auto;
    padding-bottom: var(--spacing-sm);
}

.event-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-sm);
    padding-top: var(--spacing-xs);
    border-top: 1px solid var(--color-border);
    font-size: 0.82rem;
    flex-wrap: wrap;
}

.event-card__admission {
    color: var(--color-text-secondary);
}

.event-card__link {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
    white-space: nowrap;
    transition: opacity 0.15s ease;
}

.event-card__link:hover {
    opacity: 0.8;
}

.no-events {
    text-align: center;
    color: var(--color-text-secondary);
    padding: var(--spacing-lg);
    grid-column: 1 / -1;
}

/* Event admin edit buttons */
.event-edit-buttons {
    position: absolute;
    top: 10px;
    right: 10px;
    display: flex;
    gap: 5px;
    z-index: 2;
}

.event-edit-btn,
.event-delete-btn {
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(6px);
    color: white;
    border: none;
    width: 32px;
    height: 32px;
    border-radius: 0.5rem;
    cursor: pointer;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s ease;
}

.event-edit-btn:hover { background: var(--color-primary); }
.event-delete-btn:hover { background: #dc3545; }

.event-add-wrapper {
    margin-top: var(--spacing-md);
    text-align: center;
    grid-column: 1 / -1;
    display: none;
}

body.edit-mode-active .event-add-wrapper {
    display: block;
}

.event-add-btn {
    background: transparent;
    color: var(--color-primary);
    border: 2px dashed var(--color-primary);
    padding: 14px 28px;
    border-radius: 0.75rem;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 600;
    transition: background 0.15s ease, color 0.15s ease;
}

.event-add-btn:hover {
    background: var(--color-primary);
    color: white;
}

/* ============================================
   MEDIA EMBEDS
   ============================================ */
.audio-embed {
    margin: var(--spacing-sm) 0;
}

.video-container {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%;
    margin: var(--spacing-sm) 0;
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 8px;
}

/* ============================================
   CONTACT FORM
   ============================================ */
.contact-section {
    padding: var(--spacing-xl) 0;
    background: var(--color-background-section);
}

.contact-section .container {
    max-width: var(--container-narrow);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-xs);
}

.section-subtitle {
    text-align: center;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
}

.form-group {
    margin-bottom: var(--spacing-sm);
}

.form-group label {
    display: block;
    margin-bottom: 4px;
    font-weight: 500;
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-actions {
    text-align: center;
    margin-top: var(--spacing-md);
}

.form-feedback {
    text-align: center;
    margin-top: var(--spacing-sm);
    padding: 12px;
    border-radius: 6px;
    display: none;
}

.form-feedback.success {
    display: block;
    background: #d1fae5;
    color: #065f46;
}

.form-feedback.error {
    display: block;
    background: #fee2e2;
    color: #991b1b;
}

/* Contact form section (embedded in content pages) */
.contact-form-section {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-lg) var(--spacing-md);
    background: var(--color-background-section);
    border-radius: 12px;
    border: 1px solid var(--color-border);
}

.contact-form-section h2 {
    text-align: center;
    margin-top: 0;
    margin-bottom: var(--spacing-md);
    font-size: 1.5rem;
}

.contact-form-section .contact-form {
    max-width: 100%;
}

.contact-form-section .form-group input,
.contact-form-section .form-group textarea {
    background: var(--color-background);
    border-color: rgba(0, 0, 0, 0.12);
}

.contact-form-section .form-group input:focus,
.contact-form-section .form-group textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.contact-form-section .form-group label {
    color: var(--color-text-secondary);
    font-size: 0.85rem;
    font-weight: 400;
    letter-spacing: 0.01em;
}

.contact-form-section .form-actions {
    text-align: center;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: 35px;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: all var(--transition-fast);
    text-align: center;
}

.btn:active {
    transform: scale(0.98) translateY(1px);
}

.btn:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.btn-primary {
    background: var(--color-primary);
    color: white;
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    color: white;
}

.btn-gradient {
    background: var(--color-primary-btn);
    color: white;
    text-shadow: 0 1px 1px rgba(255,255,255,0.25), 0 -1px 1px rgba(0,0,0,0.15);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.15);
    position: relative;
    overflow: hidden;
    z-index: 0;
    transition: box-shadow 800ms cubic-bezier(0.22, 1, 0.36, 1) 250ms,
                transform 400ms cubic-bezier(0.22, 1, 0.36, 1) 250ms;
}

.btn-gradient::after {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--color-primary-btn-hover);
    opacity: 0;
    transition: opacity 800ms cubic-bezier(0.22, 1, 0.36, 1) 250ms;
    z-index: -1;
    border-radius: inherit;
}

.btn-gradient:hover {
    transform: translateY(-2px);
    color: white;
    text-shadow: 0 1px 1px rgba(255,255,255,0.25), 0 -1px 1px rgba(0,0,0,0.35);
    box-shadow: 0 4px 20px rgba(96, 165, 250, 0.35);
    transition: box-shadow 800ms cubic-bezier(0.22, 1, 0.36, 1),
                transform 400ms cubic-bezier(0.22, 1, 0.36, 1),
                text-shadow 800ms cubic-bezier(0.22, 1, 0.36, 1);
}

.btn-gradient:hover::after {
    opacity: 1;
    transition: opacity 800ms cubic-bezier(0.22, 1, 0.36, 1);
}

.btn-outline {
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.btn-outline:hover {
    background: var(--color-primary);
    color: white;
}

.btn-contact {
    background: var(--color-primary);
    color: white;
    padding: 14px 32px;
}

.btn-contact:hover {
    background: var(--color-primary-dark);
}

/* ============================================
   404 ERROR PAGE
   ============================================ */
.error-page {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    min-height: 60vh;
    padding: var(--spacing-xl) var(--spacing-md);
}

.error-page__code {
    font-family: var(--font-display);
    font-size: clamp(6rem, 15vw, 12rem);
    font-weight: 700;
    line-height: 1;
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.3;
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.04em;
}

.error-page__title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.error-page__message {
    color: var(--color-text-secondary);
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
    max-width: 420px;
}

/* ============================================
   CONTENT PAGES — Dark Theme
   ============================================ */
[data-theme="dark"] .main-content {
    background: var(--color-bg-dark);
    color: var(--color-text-on-dark);
}

[data-theme="dark"] .content-inner h1,
[data-theme="dark"] .content-inner h2,
[data-theme="dark"] .content-inner h3 {
    color: white;
}

[data-theme="dark"] .content-inner a {
    color: var(--color-primary-light);
}

[data-theme="dark"] .content-inner a:hover {
    color: var(--color-primary);
}

[data-theme="dark"] .site-header {
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom-color: var(--color-border-dark);
}

[data-theme="dark"] .site-header .nav-list a,
[data-theme="dark"] .site-header .site-logo {
    color: var(--color-text-on-dark);
}

[data-theme="dark"] .logo-light { display: none !important; }
[data-theme="dark"] .logo-dark { display: inline !important; }

[data-theme="dark"] .site-header .nav-list a:hover,
[data-theme="dark"] .site-header .nav-list a.active {
    color: white;
    background: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .nav-dropdown {
    background: var(--color-bg-dark-elevated, #1a1a1a);
    border-color: rgba(255, 255, 255, 0.08);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] .nav-dropdown a:hover,
[data-theme="dark"] .nav-dropdown a.active {
    color: white;
    background: rgba(255, 255, 255, 0.06);
}

[data-theme="dark"] .site-header .hamburger span {
    background: var(--color-text-on-dark);
}

[data-theme="dark"] .site-header .lang-link {
    color: var(--color-text-on-dark-muted);
}

[data-theme="dark"] .site-header .lang-link.active {
    color: white;
}

[data-theme="dark"] .theme-toggle {
    color: var(--color-text-on-dark-muted);
}

[data-theme="dark"] .theme-toggle:hover {
    color: white;
}

[data-theme="dark"] .mobile-nav-overlay {
    background: var(--color-bg-dark);
}

[data-theme="dark"] .mobile-nav-list a {
    color: var(--color-text-on-dark);
}

[data-theme="dark"] .mobile-nav-lang a {
    color: var(--color-text-on-dark-muted);
}

[data-theme="dark"] .mobile-theme-toggle {
    border-top-color: var(--color-border-dark);
}

[data-theme="dark"] .theme-toggle-mobile {
    color: var(--color-text-on-dark-muted);
}

[data-theme="dark"] .theme-toggle-mobile:hover,
[data-theme="dark"] .theme-toggle-mobile.active {
    color: white;
    background: rgba(255, 255, 255, 0.08);
}

/* Contact form dark */
[data-theme="dark"] .contact-form-section {
    background: var(--color-bg-dark-elevated);
    border-color: var(--color-border-dark);
}

[data-theme="dark"] .contact-form-section h2 {
    color: white;
}

[data-theme="dark"] .contact-form-section .form-group label {
    color: var(--color-text-on-dark-muted);
}

[data-theme="dark"] .contact-form-section .form-group input,
[data-theme="dark"] .contact-form-section .form-group textarea {
    background: var(--color-bg-dark-card);
    border-color: var(--color-border-dark);
    color: var(--color-text-on-dark);
}

[data-theme="dark"] .contact-form-section .form-group input:focus,
[data-theme="dark"] .contact-form-section .form-group textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

[data-theme="dark"] .contact-form-section .form-group input::placeholder,
[data-theme="dark"] .contact-form-section .form-group textarea::placeholder {
    color: var(--color-text-on-dark-muted);
}

[data-theme="dark"] .form-feedback.success {
    background: rgba(37, 99, 235, 0.15);
    color: var(--color-primary-light);
}

[data-theme="dark"] .form-feedback.error {
    background: rgba(239, 68, 68, 0.15);
    color: #fca5a5;
}

/* Error page dark */
[data-theme="dark"] .error-page__title {
    color: white;
}

[data-theme="dark"] .error-page__message {
    color: var(--color-text-on-dark-muted);
}

/* Footer dark (for content pages) */
[data-theme="dark"] .footer {
    background: var(--color-bg-dark);
    color: var(--color-text-on-dark-muted);
}

[data-theme="dark"] .footer .logo-light { display: none !important; }
[data-theme="dark"] .footer .logo-dark { display: inline !important; }

[data-theme="dark"] .footer-accent {
    background: linear-gradient(90deg, transparent 0%, var(--color-primary-light) 50%, transparent 100%);
    opacity: 0.15;
}

[data-theme="dark"] .footer-bottom {
    border-top-color: var(--color-border-dark);
}

[data-theme="dark"] .footer a {
    color: var(--color-text-on-dark-muted);
}

[data-theme="dark"] .footer a:hover {
    color: white;
}

[data-theme="dark"] .footer-tagline {
    color: var(--color-text-on-dark);
}

[data-theme="dark"] .footer-col-heading {
    color: var(--color-text-on-dark-muted);
}

[data-theme="dark"] .footer-copyright,
[data-theme="dark"] .footer-credit,
[data-theme="dark"] .footer-services,
[data-theme="dark"] .footer-claim,
[data-theme="dark"] .footer-contact-item {
    color: var(--color-text-on-dark-muted);
}

[data-theme="dark"] .meta-links a {
    color: var(--color-text-on-dark-muted);
}

[data-theme="dark"] .meta-links a:hover {
    color: white;
}

/* Card items */
[data-theme="dark"] .card-item {
    background: var(--color-bg-dark-card);
    border-color: var(--color-border-dark);
}

[data-theme="dark"] .card-item h3 {
    color: var(--color-text-on-dark);
}

[data-theme="dark"] .card-item p {
    color: var(--color-text-on-dark-muted);
}

/* Divider / HR */
[data-theme="dark"] hr,
[data-theme="dark"] .divider hr {
    background: var(--color-border-dark);
}

/* Blockquote */
[data-theme="dark"] .block-quote {
    background: var(--color-bg-dark-elevated);
    border-left-color: var(--color-primary-light);
}

[data-theme="dark"] .block-quote p {
    color: var(--color-text-on-dark);
}

[data-theme="dark"] .block-quote cite {
    color: var(--color-text-on-dark-muted);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--color-background-dark);
    padding: 0;
    position: relative;
}

.footer-accent {
    height: 2px;
    background: linear-gradient(90deg, transparent 0%, var(--color-primary) 50%, transparent 100%);
    opacity: 0.3;
}

.footer-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--spacing-lg) var(--spacing-md) var(--spacing-md);
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: var(--spacing-lg);
}

.footer-col-heading {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-secondary);
    margin: 0 0 var(--spacing-sm);
}

.footer-col--brand {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-logo {
    display: inline-block;
}

.footer-credit {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    margin: 0;
}

.footer-credit a {
    color: var(--color-text-secondary);
    font-weight: 600;
}

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

.footer-tagline {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text);
    margin: 0 0 4px;
}

.footer-services {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    margin: 0 0 4px;
}

.footer-claim {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    margin: 0;
    opacity: 0.7;
    font-style: italic;
}

.footer-contact-item {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    margin: 0 0 4px;
}

.footer-contact-item a {
    color: var(--color-text-secondary);
}

.footer-contact-item a:hover {
    color: var(--color-primary);
}

.meta-links {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.meta-links a {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
}

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

.footer-bottom {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--spacing-sm) var(--spacing-md) var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.footer-copyright {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    margin: 0;
    opacity: 0.7;
}

/* ============================================
   DIVIDER
   ============================================ */
hr, .divider hr {
    border: none;
    height: 1px;
    background: var(--color-border);
    margin: var(--spacing-lg) 0;
}

/* ============================================
   CONTENT HIGHLIGHT
   ============================================ */
.content-highlight {
    background: var(--color-background-section);
    padding: var(--spacing-md);
    border-radius: 8px;
    border-left: 4px solid var(--color-primary);
    margin: var(--spacing-md) 0;
}

/* ============================================
   BLOCK: HEADING
   ============================================ */
.block-heading {
    margin: var(--spacing-lg) 0 var(--spacing-md);
}

.block-heading h1,
.block-heading h2,
.block-heading h3,
.block-heading h4,
.block-heading h5,
.block-heading h6 {
    margin: 0;
}

.block-heading__subtitle {
    margin: var(--spacing-xs) 0 0;
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    font-weight: 400;
}

/* ============================================
   BLOCK: QUOTE
   ============================================ */
.block-quote {
    margin: var(--spacing-md) 0;
    padding: var(--spacing-md) var(--spacing-md) var(--spacing-md) calc(var(--spacing-md) + 4px);
    border-left: 4px solid var(--color-primary);
    background: var(--color-background-section);
    border-radius: 0 8px 8px 0;
    font-style: italic;
}

.block-quote p {
    margin: 0;
    font-size: 1.05rem;
    line-height: 1.7;
}

.block-quote cite {
    display: block;
    margin-top: var(--spacing-sm);
    font-size: 0.9rem;
    font-style: normal;
    color: var(--color-text-secondary);
}

.block-quote cite::before {
    content: '— ';
}

.block-quote--large {
    padding: var(--spacing-lg);
    border-left-width: 5px;
}

.block-quote--large p {
    font-size: 1.35rem;
    line-height: 1.6;
    letter-spacing: -0.01em;
}

/* ============================================
   BLOCK: IMAGE
   ============================================ */
.block-image {
    margin: var(--spacing-md) 0;
}

.block-image img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
}

.block-image figcaption {
    margin-top: var(--spacing-xs);
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    text-align: center;
}

.block-image--medium {
    max-width: 75%;
}

.block-image--small {
    max-width: 50%;
}

.block-image--placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 120px;
    background: var(--color-background-section);
    border: 2px dashed var(--color-border);
    border-radius: 8px;
}

/* ============================================
   BLOCK: LIST
   ============================================ */
.block-list {
    margin: var(--spacing-md) 0;
}

.block-list h3 {
    margin: 0 0 var(--spacing-sm);
}

.block-list ul,
.block-list ol {
    margin: 0;
    padding-left: 1.5em;
}

.block-list li {
    margin-bottom: var(--spacing-xs);
    line-height: 1.7;
}

.block-list--bullet ul {
    list-style-type: disc;
}

.block-list--numbered ol {
    list-style-type: decimal;
}

/* ============================================
   BLOCK: SPACER
   ============================================ */
.block-spacer--sm { height: var(--spacing-sm); }
.block-spacer--md { height: var(--spacing-md); }
.block-spacer--lg { height: var(--spacing-lg); }
.block-spacer--xl { height: var(--spacing-xl); }

/* ============================================
   SCROLL REVEAL ANIMATIONS
   ============================================ */
@keyframes revealUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.reveal {
    opacity: 0;
}

.reveal.revealed {
    opacity: 1;
}

/* Showcase examples: subtle fade + slide up */
.showcase-example.reveal {
    opacity: 0;
    transform: translateY(2rem);
    transition:
        opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1),
        transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.showcase-example.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger animation for child elements */
.stagger-reveal > * {
    opacity: 0;
    transform: translateY(20px);
    transition: none;
}

.stagger-reveal > *.stagger-visible {
    animation: revealUp 0.5s ease-out both;
}

/* Content-inner reveal for subpages */
.content-inner.reveal {
    opacity: 0;
}

.content-inner.revealed {
    animation: revealUp 0.5s ease-out 0.15s both;
}

/* Respect reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    .reveal,
    .reveal.revealed,
    .stagger-reveal > *,
    .stagger-reveal > *.stagger-visible,
    .content-inner.reveal,
    .content-inner.revealed,
    .showcase-explainer__code,
    .revealed .showcase-explainer__code,
    .showcase-jumpnav__item,
    .showcase-hero__content,
    .showcase-hero__image {
        opacity: 1 !important;
        transform: none !important;
        animation: none !important;
        transition: none !important;
    }
}

/* ============================================
   CUSTOM AUDIO PLAYER
   ============================================ */
.custom-audio-player {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--color-background-section);
    border-radius: 8px;
    margin: var(--spacing-sm) 0;
}

.audio-play-btn {
    background: var(--color-primary);
    color: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.audio-play-btn svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

.audio-play-btn .icon-pause {
    display: none;
}

.custom-audio-player.playing .audio-play-btn .icon-play {
    display: none;
}

.custom-audio-player.playing .audio-play-btn .icon-pause {
    display: block;
}

.audio-info {
    flex: 1;
    min-width: 0;
}

.audio-title {
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.audio-progress-bar {
    height: 4px;
    background: var(--color-border);
    border-radius: 2px;
    position: relative;
    cursor: pointer;
}

.audio-progress {
    height: 100%;
    background: var(--color-primary);
    border-radius: 2px;
    width: 0;
    transition: width 0.1s;
}

.audio-progress-handle {
    position: absolute;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 12px;
    height: 12px;
    background: var(--color-primary);
    border-radius: 50%;
    cursor: pointer;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.custom-audio-player:hover .audio-progress-handle {
    opacity: 1;
}

.audio-time {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    margin-top: 2px;
}

.audio-volume {
    display: flex;
    align-items: center;
    gap: 8px;
}

.audio-volume-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-text-secondary);
    padding: 4px;
}

.audio-volume-btn svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

.audio-volume-slider {
    width: 60px;
}

.audio-volume-track {
    height: 4px;
    background: var(--color-border);
    border-radius: 2px;
    position: relative;
    cursor: pointer;
}

.audio-volume-fill {
    height: 100%;
    background: var(--color-primary);
    border-radius: 2px;
    width: 80%;
}

.audio-volume-handle {
    position: absolute;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 10px;
    height: 10px;
    background: var(--color-primary);
    border-radius: 50%;
    cursor: pointer;
    left: 80%;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 980px) and (min-width: 769px) {
    .nav-main {
        flex-wrap: wrap;
        justify-content: flex-end;
        gap: 4px var(--spacing-md);
    }

    .nav-lang {
        order: -1;
        margin-left: 0;
    }

    .theme-toggle {
        order: -1;
        margin-left: 0;
    }

    .nav-list {
        width: 100%;
        justify-content: flex-end;
    }

    .nav-list a {
        padding: 4px 12px;
        font-size: 0.9rem;
    }
}

@media (max-width: 768px) {
    .nav-main {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .mobile-nav-overlay {
        display: block;
        pointer-events: none;
    }

    .mobile-nav-overlay.active {
        pointer-events: auto;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer-inner {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-md);
    }

    .footer-bottom {
        text-align: center;
    }

    .event-grid {
        grid-template-columns: 1fr;
    }

    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }
}
/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
    .site-header,
    .hamburger,
    .mobile-nav-overlay,
    .footer,
    .contact-section {
        display: none !important;
    }

    .main-content {
        padding-top: 0;
    }
}