/* ============================================
   Leafscale Website - Arctic Ice Theme
   ============================================ */

/* CSS Variables - Common (not theme-dependent) */
:root {
    /* Typography */
    --font-system: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    /* Spacing Scale */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.2);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;

    /* Layout */
    --header-height: 70px;
    --container-max: 1200px;
    --container-padding: var(--space-md);

    /* Default Theme Colors (Arctic Ice) */
    --bg-primary: #0D1C22;
    --bg-secondary: #16272E;
    --bg-tertiary: #1F3942;
    --accent-color: #00E5FF;
    --accent-secondary: #40D8F0;
    --text-primary: rgba(255, 255, 255, 0.9);
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.5);
    --border-color: rgba(0, 229, 255, 0.3);
    --border-secondary: rgba(255, 255, 255, 0.1);
    --glass-light: rgba(0, 229, 255, 0.08);
    --glass-medium: rgba(0, 229, 255, 0.15);
    --shadow-glow: 0 0 25px rgba(0, 229, 255, 0.4);
}

/* Arctic Ice Theme (explicit) */
body[data-theme="arctic"] {
    --bg-primary: #0D1C22;
    --bg-secondary: #16272E;
    --bg-tertiary: #1F3942;
    --accent-color: #00E5FF;
    --accent-secondary: #40D8F0;
    --border-color: rgba(0, 229, 255, 0.3);
    --glass-light: rgba(0, 229, 255, 0.08);
    --glass-medium: rgba(0, 229, 255, 0.15);
    --shadow-glow: 0 0 25px rgba(0, 229, 255, 0.4);
}

/* Ocean Blue Theme */
body[data-theme="ocean"] {
    --bg-primary: #0B1426;
    --bg-secondary: #1a2332;
    --bg-tertiary: #243447;
    --accent-color: #00D4FF;
    --accent-secondary: #0099CC;
    --border-color: rgba(0, 212, 255, 0.2);
    --glass-light: rgba(255, 255, 255, 0.05);
    --glass-medium: rgba(255, 255, 255, 0.1);
    --shadow-glow: 0 0 20px rgba(0, 212, 255, 0.3);
}

/* Forest Green Theme */
body[data-theme="forest"] {
    --bg-primary: #0D2818;
    --bg-secondary: #1A3F2A;
    --bg-tertiary: #245030;
    --accent-color: #4AFF4A;
    --accent-secondary: #2ECC71;
    --border-color: rgba(74, 255, 74, 0.2);
    --glass-light: rgba(74, 255, 74, 0.05);
    --glass-medium: rgba(74, 255, 74, 0.1);
    --shadow-glow: 0 0 20px rgba(74, 255, 74, 0.3);
}

/* Sunset Orange Theme */
body[data-theme="sunset"] {
    --bg-primary: #1A0F0A;
    --bg-secondary: #2A1810;
    --bg-tertiary: #3D2518;
    --accent-color: #FF9F40;
    --accent-secondary: #FF6B35;
    --border-color: rgba(255, 159, 64, 0.25);
    --glass-light: rgba(255, 159, 64, 0.08);
    --glass-medium: rgba(255, 159, 64, 0.15);
    --shadow-glow: 0 0 25px rgba(255, 107, 53, 0.4);
}

/* Slowlaris (Lavender) Theme */
body[data-theme="slowlaris"] {
    --bg-primary: #1a1a2e;
    --bg-secondary: #2f2f4f;
    --bg-tertiary: #3e3e5e;
    --accent-color: #9370DB;
    --accent-secondary: #7B68EE;
    --border-color: rgba(147, 112, 219, 0.2);
    --text-primary: #e0e0e0;
    --text-secondary: #c0c0c0;
    --text-muted: #a0a0a0;
    --glass-light: rgba(147, 112, 219, 0.05);
    --glass-medium: rgba(147, 112, 219, 0.1);
    --shadow-glow: 0 0 20px rgba(147, 112, 219, 0.3);
}

/* Cherry Blossom Theme */
body[data-theme="cherry"] {
    --bg-primary: #1A0D12;
    --bg-secondary: #2D1620;
    --bg-tertiary: #3E202B;
    --accent-color: #FF91A4;
    --accent-secondary: #FF6B85;
    --border-color: rgba(255, 145, 164, 0.2);
    --glass-light: rgba(255, 145, 164, 0.05);
    --glass-medium: rgba(255, 145, 164, 0.1);
    --shadow-glow: 0 0 20px rgba(255, 145, 164, 0.3);
}

/* Daylight Theme (Light Mode) */
body[data-theme="daylight"] {
    --bg-primary: #E8E8E8;
    --bg-secondary: #DCDCDC;
    --bg-tertiary: #D0D0D0;
    --accent-color: #0077B6;
    --accent-secondary: #005A8C;
    --text-primary: rgba(0, 0, 0, 0.87);
    --text-secondary: rgba(0, 0, 0, 0.6);
    --text-muted: rgba(0, 0, 0, 0.4);
    --border-color: rgba(0, 119, 182, 0.3);
    --border-secondary: rgba(0, 0, 0, 0.12);
    --glass-light: rgba(0, 119, 182, 0.08);
    --glass-medium: rgba(0, 119, 182, 0.15);
    --shadow-glow: 0 0 20px rgba(0, 119, 182, 0.2);
}

/* ============================================
   Reset & Base Styles
   ============================================ */

*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-system);
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* ============================================
   Typography
   ============================================ */

h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    font-weight: 600;
    margin-bottom: var(--space-md);
}

h1 { font-size: clamp(2rem, 5vw, 3rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--space-md);
    color: var(--text-secondary);
}

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

a:hover {
    color: var(--accent-secondary);
}

code {
    background: var(--glass-light);
    padding: 0.2em 0.4em;
    border-radius: var(--radius-sm);
    font-size: 0.9em;
    font-family: 'Courier New', Courier, monospace;
}

/* ============================================
   Layout Utilities
   ============================================ */

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    width: 100%;
}

.main-content {
    min-height: calc(100vh - var(--header-height) - 300px);
    padding: var(--space-lg) 0;
}

/* ============================================
   Header
   ============================================ */

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
    gap: var(--space-lg);
}

/* Logo */
.logo-link {
    display: flex;
    align-items: center;
    transition: opacity var(--transition-fast);
}

.logo-link:hover {
    opacity: 0.8;
}

.logo-img {
    height: 40px;
    width: auto;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
    color: var(--text-primary);
    z-index: 1001;
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    position: relative;
    transition: background var(--transition-base);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: transform var(--transition-base);
}

.hamburger::before { transform: translateY(-8px); }
.hamburger::after { transform: translateY(8px); }

.mobile-menu-toggle.active .hamburger {
    background: transparent;
}

.mobile-menu-toggle.active .hamburger::before {
    transform: rotate(45deg);
}

.mobile-menu-toggle.active .hamburger::after {
    transform: rotate(-45deg);
}

/* Navigation */
.main-nav {
    flex: 1;
    display: flex;
    justify-content: center;
}

.nav-list {
    display: flex;
    align-items: center;
    list-style: none;
    gap: var(--space-sm);
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-md);
    color: rgba(255, 255, 255, 0.7);
    font-weight: 500;
    transition: color var(--transition-fast), background var(--transition-fast);
    border-radius: var(--radius-sm);
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent-color);
    background: rgba(255, 255, 255, 0.1);
}

/* Submenu */
.has-submenu {
    position: relative;
}

.has-dropdown {
    cursor: pointer;
}

.submenu-icon {
    font-size: 0.7em;
    margin-left: var(--space-xs);
    transition: transform var(--transition-fast);
}

.has-submenu:hover .submenu-icon {
    transform: rotate(180deg);
}

.submenu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 180px;
    background: rgba(20, 20, 20, 0.98);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: var(--space-sm);
    list-style: none;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity var(--transition-base),
                transform var(--transition-base),
                visibility var(--transition-base);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
}

.has-submenu:hover .submenu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.submenu-item {
    margin: 0;
}

.submenu-link {
    display: block;
    padding: var(--space-sm) var(--space-md);
    color: rgba(255, 255, 255, 0.7);
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast), color var(--transition-fast);
    text-decoration: none;
}

.submenu-link:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--accent-color);
}

/* ============================================
   Buttons
   ============================================ */

.btn {
    display: inline-block;
    padding: var(--space-sm) var(--space-lg);
    font-weight: 600;
    text-align: center;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    cursor: pointer;
    border: none;
    font-size: 0.875rem;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-secondary) 100%);
    color: #0a0a0a;
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 35px rgba(0, 229, 255, 0.5);
    color: #0a0a0a;
}

.btn-secondary {
    background: var(--glass-medium);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--glass-light);
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.btn-lg {
    padding: var(--space-md) var(--space-xl);
    font-size: 1rem;
}

/* ============================================
   Footer
   ============================================ */

.site-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: var(--space-2xl) 0 var(--space-lg);
    margin-top: var(--space-3xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.footer-heading {
    font-size: 1rem;
    margin-bottom: var(--space-md);
    color: var(--accent-color);
}

.footer-text {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--space-sm);
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.875rem;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--accent-color);
}

.footer-bottom {
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border-secondary);
    text-align: center;
}

.copyright {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin: 0;
}

.footer-social {
    display: flex;
    gap: var(--space-md);
}

.social-link {
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.social-link:hover {
    color: var(--accent-color);
}

/* Footer Social Icons (in Leafscale section) */
.footer-social-icons {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-sm);
}

.social-icon-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: var(--text-secondary);
    background: var(--glass-light);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.social-icon-link:hover {
    color: var(--accent-color);
    border-color: var(--accent-color);
    background: var(--glass-medium);
}

.social-icon-link svg {
    width: 20px;
    height: 20px;
}

/* ============================================
   GDPR Banner
   ============================================ */

.gdpr-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg-tertiary);
    border-top: 1px solid var(--border-color);
    padding: var(--space-md);
    z-index: 9999;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
}

.gdpr-content {
    max-width: var(--container-max);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
    flex-wrap: wrap;
}

.gdpr-text {
    flex: 1;
    min-width: 300px;
}

.gdpr-text p {
    margin: 0;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.gdpr-actions {
    display: flex;
    gap: var(--space-sm);
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    margin-bottom: var(--space-md);
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================
   Cards
   ============================================ */

.card {
    background: var(--glass-light);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: all var(--transition-base);
}

.card:hover {
    background: var(--glass-medium);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.card-title {
    color: var(--accent-color);
    margin-bottom: var(--space-sm);
}

.card-badge {
    display: inline-block;
    padding: var(--space-xs) var(--space-sm);
    background: var(--glass-medium);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--space-md);
}

.card-badge.research {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.card-badge.product {
    border-color: var(--secondary-color);
    color: var(--secondary-color);
}

.card-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.card-link:hover {
    color: inherit;
}

.card-action {
    display: inline-block;
    margin-top: var(--space-md);
    color: var(--accent-color);
    font-weight: 500;
}

/* ============================================
   Features Grid
   ============================================ */

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
    margin-top: var(--space-xl);
}

.feature-item {
    padding: var(--space-lg);
    background: var(--glass-light);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.feature-item:hover {
    border-color: var(--border-color);
    background: var(--glass-medium);
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: var(--space-md);
}

.feature-title {
    font-size: 1.125rem;
    margin-bottom: var(--space-sm);
}

.feature-text {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin: 0;
}

/* ============================================
   Page Content
   ============================================ */

.page-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

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

.page-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

.content-section {
    margin-bottom: var(--space-2xl);
}

.content-section h2 {
    color: var(--accent-color);
    margin-bottom: var(--space-md);
}

.content-section h3 {
    margin-top: var(--space-xl);
    margin-bottom: var(--space-md);
}

.content-section ul,
.content-section ol {
    margin-bottom: var(--space-md);
    padding-left: var(--space-xl);
}

.content-section li {
    margin-bottom: var(--space-sm);
    color: var(--text-secondary);
}

.content-section strong {
    color: var(--text-primary);
}

/* Code Blocks */
.code-block {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    overflow-x: auto;
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
    font-size: 0.875rem;
    line-height: 1.6;
    margin: var(--space-lg) 0;
}

.code-block code {
    color: var(--text-secondary);
    background: none;
    padding: 0;
}

/* ============================================
   Contact Form
   ============================================ */

.contact-container {
    max-width: 800px;
    margin: 0 auto;
}

.contact-info {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.contact-email {
    font-size: 1.25rem;
    color: var(--accent-color);
}

.contact-form-wrapper {
    background: var(--glass-light);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    overflow: hidden;
}

.contact-form-wrapper iframe {
    width: 100%;
    min-height: 600px;
    border: none;
}

/* ============================================
   Product Page
   ============================================ */

.product-hero {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.product-badge {
    display: inline-block;
    padding: var(--space-sm) var(--space-md);
    background: var(--glass-medium);
    border: 1px solid var(--accent-color);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--accent-color);
    margin-bottom: var(--space-lg);
}

.product-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: var(--space-md);
}

.product-tagline {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto var(--space-xl);
}

.product-section {
    padding: var(--space-2xl) 0;
}

.product-section h2 {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.screenshot-placeholder {
    background: var(--glass-light);
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-3xl);
    text-align: center;
    color: var(--text-muted);
}

/* ============================================
   About Page
   ============================================ */

.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.philosophy-section {
    background: var(--glass-light);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    margin: var(--space-2xl) 0;
}

.philosophy-section h3 {
    color: var(--accent-color);
    margin-bottom: var(--space-md);
}

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 768px) {
    :root {
        --container-padding: var(--space-md);
        --header-height: 60px;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .main-nav {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: rgba(13, 28, 34, 0.98);
        backdrop-filter: blur(10px);
        border-bottom: 1px solid var(--border-color);
        padding: var(--space-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: transform var(--transition-base),
                    opacity var(--transition-base),
                    visibility var(--transition-base);
    }

    .main-nav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-list {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
    }

    .nav-link {
        padding: var(--space-md);
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .logo-img {
        height: 32px;
    }

    .hero {
        margin-bottom: var(--space-xl);
    }

    .gdpr-content {
        flex-direction: column;
        text-align: center;
    }

    .gdpr-text {
        min-width: auto;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .nav-list {
        gap: var(--space-xs);
    }

    .nav-link {
        padding: var(--space-sm);
        font-size: 0.875rem;
    }
}

/* ============================================
   Theme Selector
   ============================================ */

.theme-selector {
    display: flex;
    align-items: center;
}

.theme-selector select {
    padding: var(--space-sm) var(--space-md);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.875rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    outline: none;
}

.theme-selector select:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--accent-color);
}

.theme-selector select:focus {
    border-color: var(--accent-color);
}

.theme-selector option {
    background: #1a1a1a;
    color: #ffffff;
}

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

/* ============================================
   Utility Classes
   ============================================ */

.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.mb-0 { margin-bottom: 0; }
.mt-lg { margin-top: var(--space-lg); }
.mb-lg { margin-bottom: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mb-xl { margin-bottom: var(--space-xl); }

/* ============================================
   Search - Header
   ============================================ */

.header-search {
    display: flex;
    align-items: center;
    margin-right: var(--space-md);
}

.header-search-input {
    width: 140px;
    padding: var(--space-sm) var(--space-md);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md) 0 0 var(--radius-md);
    color: var(--text-primary);
    font-size: 0.875rem;
    outline: none;
    transition: all var(--transition-fast);
}

.header-search-input::placeholder {
    color: var(--text-muted);
}

.header-search-input:focus {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--accent-color);
    width: 180px;
}

.header-search-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-sm) var(--space-md);
    background: var(--accent-color);
    border: 1px solid var(--accent-color);
    border-left: none;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    color: white;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.header-search-btn:hover {
    background: var(--accent-hover);
}

.header-search-btn svg {
    stroke: currentColor;
}

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

@media (min-width: 769px) and (max-width: 1024px) {
    .header-search-input {
        width: 100px;
    }

    .header-search-input:focus {
        width: 140px;
    }
}

/* ============================================
   Search - Results Page
   ============================================ */

.search-form-large {
    margin-bottom: var(--space-xl);
}

.search-input-wrapper {
    display: flex;
    max-width: 600px;
    margin: 0 auto;
}

.search-input-large {
    flex: 1;
    padding: var(--space-md) var(--space-lg);
    background: var(--glass-light);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md) 0 0 var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    outline: none;
    transition: all var(--transition-fast);
}

.search-input-large::placeholder {
    color: var(--text-muted);
}

.search-input-large:focus {
    border-color: var(--accent-color);
    background: var(--glass-medium);
}

.search-btn-large {
    padding: var(--space-md) var(--space-xl);
    background: var(--accent-color);
    border: 1px solid var(--accent-color);
    border-left: none;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    color: white;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.search-btn-large:hover {
    background: var(--accent-hover);
}

.search-summary {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
}

.search-results {
    max-width: 800px;
    margin: 0 auto;
}

.search-result-item {
    background: var(--glass-light);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    margin-bottom: var(--space-md);
    transition: all var(--transition-fast);
}

.search-result-item:hover {
    border-color: var(--accent-color);
    background: var(--glass-medium);
}

.search-result-category {
    display: inline-block;
    padding: var(--space-xs) var(--space-sm);
    background: var(--glass-medium);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--accent-color);
    margin-bottom: var(--space-sm);
}

.search-result-title {
    margin-bottom: var(--space-sm);
}

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

.search-result-title a:hover {
    color: var(--accent-color);
}

.search-result-description {
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
    font-size: 0.9375rem;
    line-height: 1.5;
}

.search-result-url {
    color: var(--text-muted);
    font-size: 0.8125rem;
}

.search-no-results {
    text-align: center;
    padding: var(--space-xl);
}

.search-no-results ul {
    list-style: none;
    padding: 0;
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
    margin-top: var(--space-md);
}

.search-no-results a {
    color: var(--accent-color);
}

/* ============================================
   Analytics Toggle (Privacy Page)
   ============================================ */

.analytics-control {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    padding: var(--space-lg);
    background: var(--glass-light);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-top: var(--space-md);
}

.analytics-label {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 1rem;
}

.analytics-status {
    font-weight: 600;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
}

.analytics-status.enabled {
    color: #10b981;
    background: rgba(16, 185, 129, 0.15);
}

.analytics-status.disabled {
    color: #ef4444;
    background: rgba(239, 68, 68, 0.15);
}

/* Toggle Switch */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 52px;
    height: 28px;
    flex-shrink: 0;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.2);
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
    border-radius: 28px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: all var(--transition-base);
    border-radius: 50%;
}

.toggle-switch input:checked + .toggle-slider {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
}

.toggle-switch input:checked + .toggle-slider:before {
    transform: translateX(24px);
}

.toggle-switch input:focus + .toggle-slider {
    box-shadow: 0 0 0 2px rgba(var(--accent-color), 0.3);
}

/* ============================================
   Contact Form
   ============================================ */

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

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

@media (max-width: 600px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.form-label {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-primary);
}

.form-label .required {
    color: #ef4444;
}

.form-input,
.form-select,
.form-textarea {
    padding: var(--space-md);
    background: var(--glass-light);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    transition: all var(--transition-fast);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--text-muted);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    background: var(--glass-medium);
}

.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23888' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-md) center;
    padding-right: calc(var(--space-md) * 2 + 12px);
}

.form-select option {
    background: #1a1a1a;
    color: #ffffff;
}

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

.form-error {
    font-size: 0.8125rem;
    color: #ef4444;
    min-height: 1.25em;
}

.form-group.error .form-input,
.form-group.error .form-select,
.form-group.error .form-textarea {
    border-color: #ef4444;
}

.form-actions {
    display: flex;
    justify-content: flex-start;
    padding-top: var(--space-sm);
}

/* Submit button loader */
.btn-loader {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
}

.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Form messages */
.form-message {
    text-align: center;
    padding: var(--space-2xl);
}

.form-message .message-icon {
    font-size: 3rem;
    margin-bottom: var(--space-md);
}

.form-message h3 {
    margin-bottom: var(--space-sm);
}

.form-message p {
    color: var(--text-secondary);
}

.success-message .message-icon {
    color: #10b981;
}

.error-message .message-icon {
    color: #ef4444;
}

.error-message a {
    color: var(--accent-color);
}