/* ============================================
   Uwon Technology Website - Enhanced Styles
   Mobile-First, SEO-Optimized, Professional Design
   ============================================ */

/* CSS Variables for Theme Management */
:root {
    --primary-color: #1b416c;
    --secondary-color: #9faacc;
    --accent-color: #25d366;
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.9);
    --glass-bg: rgba(217, 227, 234, 0.25);
    --glass-border: rgba(217, 227, 234, 0.3);
    --blur-intensity: 20px;
    --border-radius: 20px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
}

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

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
    /* Fix for Android viewport issues */
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    height: 100%;
    overflow-y: auto;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    /* Fix for Android background rendering - use scroll instead of fixed on mobile */
    background-attachment: scroll;
    -webkit-background-size: cover;
    background-size: cover;
    background-repeat: no-repeat;
    min-height: 100vh;
    min-height: -webkit-fill-available; /* Fix for mobile browsers */
    overflow-x: hidden;
    overflow-y: auto;
    color: var(--text-primary);
    position: relative;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    font-feature-settings: "kern" 1;
    line-height: 1.6;
    /* Prevent text selection issues on Android */
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    user-select: none;
    /* Ensure footer is always accessible - use flexbox layout */
    display: flex;
    flex-direction: column;
    padding-bottom: 0;
    margin-bottom: 0;
}

/* Use fixed background only on desktop for better performance */
@media (min-width: 769px) {
    body {
        background-attachment: fixed;
    }
}

/* Re-enable text selection for content areas */
p, span, h1, h2, h3, h4, h5, h6, a, li, td, th, input, textarea, label {
    -webkit-user-select: text;
    user-select: text;
}

/* Accessibility - Skip Link */
.skip-link {
    position: absolute;
    top: -100px;
    left: 0;
    background: var(--primary-color);
    color: var(--text-primary);
    padding: var(--spacing-sm);
    text-decoration: none;
    border-radius: 4px;
    z-index: 10000;
    font-weight: 600;
    transition: top var(--transition-normal);
}

.skip-link:focus {
    top: var(--spacing-sm);
    outline: 3px solid var(--accent-color);
    outline-offset: 2px;
}

/* Screen Reader Only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Company Header - Enhanced Mobile Support */
.company-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    /* Fallback background for Android browsers that don't support backdrop-filter */
    background: rgba(27, 65, 108, 0.85);
    backdrop-filter: blur(var(--blur-intensity));
    -webkit-backdrop-filter: blur(var(--blur-intensity));
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    z-index: 1000;
    padding: var(--spacing-sm) 0;
    box-shadow: var(--shadow-sm);
    /* Fix for Android rendering */
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
    will-change: transform;
}

/* Fallback for browsers without backdrop-filter support (Android) */
@supports not (backdrop-filter: blur(1px)) {
    .company-header {
        background: rgba(27, 65, 108, 0.95);
    }
}

.logo-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    padding: 0 var(--spacing-md);
}

.logo-section {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-shrink: 0;
}

.logo-section a {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    color: inherit;
}

.logo-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.2rem;
    box-shadow: var(--shadow-md);
    border: 2px solid rgba(255, 255, 255, 0.3);
    flex-shrink: 0;
}

.company-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.company-name {
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.company-tagline {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 400;
    margin: 0;
    letter-spacing: 0.01em;
    line-height: 1.3;
}

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

.nav-link {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 8px;
    padding: 10px 20px;
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    transition: all var(--transition-normal);
    white-space: nowrap;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.nav-link:hover,
.nav-link:focus {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    outline: 2px solid rgba(255, 255, 255, 0.5);
    outline-offset: 2px;
}

.nav-link.active {
    background: rgba(255, 255, 255, 0.4);
    border-color: rgba(255, 255, 255, 0.6);
    box-shadow: var(--shadow-md);
}

/* Language Switcher - distinct from main nav links */
.lang-separator {
    display: inline-block;
    width: 1px;
    height: 24px;
    background: rgba(255, 255, 255, 0.4);
    margin: 0 var(--spacing-xs);
    align-self: center;
}

.lang-switcher {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.lang-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 6px 14px;
    font-size: 0.8rem;
    font-weight: 600;
    text-decoration: none;
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: 20px;
    letter-spacing: 0.03em;
    transition: all var(--transition-normal);
    white-space: nowrap;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

.lang-link:hover,
.lang-link:focus {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
    outline: 2px solid rgba(255, 255, 255, 0.5);
    outline-offset: 2px;
}

.lang-link.active {
    background: rgba(255, 255, 255, 0.35);
    border-color: rgba(255, 255, 255, 0.6);
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.2);
}

/* Mobile side menu language switcher */
.lang-separator-mobile {
    display: block;
    height: 1px;
    background: rgba(255, 255, 255, 0.3);
    margin: var(--spacing-xs) 0;
}

.lang-switcher-mobile {
    flex-direction: row;
    gap: var(--spacing-sm);
}

.lang-switcher-mobile .lang-link {
    flex: 1;
    padding: var(--spacing-sm);
    font-size: 0.9rem;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    transition: all var(--transition-normal);
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

.mobile-menu-toggle:hover,
.mobile-menu-toggle:focus {
    background: rgba(255, 255, 255, 0.2);
    outline: 2px solid rgba(255, 255, 255, 0.5);
    outline-offset: 2px;
}

/* Mobile Side Menu */
.mobile-side-menu {
    position: fixed;
    top: 0;
    right: -300px;
    width: 280px;
    height: 100vh;
    height: -webkit-fill-available; /* Fix for mobile browsers */
    /* Fallback background for Android */
    background: rgba(27, 65, 108, 0.95);
    backdrop-filter: blur(var(--blur-intensity));
    -webkit-backdrop-filter: blur(var(--blur-intensity));
    border-left: 1px solid rgba(255, 255, 255, 0.3);
    z-index: 1001;
    transition: right var(--transition-normal);
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    /* Fix for Android rendering */
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
}

/* Fallback for browsers without backdrop-filter support (Android) */
@supports not (backdrop-filter: blur(1px)) {
    .mobile-side-menu {
        background: rgba(27, 65, 108, 0.98);
    }
}

.mobile-side-menu.open {
    right: 0;
}

.mobile-side-menu .nav-link {
    width: 100%;
    text-align: left;
    padding: var(--spacing-sm);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    font-size: 1rem;
}

.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    height: -webkit-fill-available; /* Fix for mobile browsers */
    background: rgba(0, 0, 0, 0.6);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
    /* Fix for Android touch events */
    touch-action: manipulation;
}

/* Fallback for browsers without backdrop-filter support (Android) */
@supports not (backdrop-filter: blur(1px)) {
    .mobile-menu-overlay {
        background: rgba(0, 0, 0, 0.7);
    }
}

.mobile-menu-overlay.open {
    opacity: 1;
    visibility: visible;
}

/* Main Content Container */
.main-container {
    position: relative;
    min-height: calc(100vh - 200px); /* Account for header and footer */
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: var(--spacing-md);
    padding-top: 120px;
    flex: 1 0 auto; /* Allow container to grow but not shrink */
}

/* Animated Background Blobs */
.liquid-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.liquid-blob {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    opacity: 0.6;
}

.blob-1 {
    width: 300px;
    height: 300px;
    top: 10%;
    left: 10%;
}

.blob-2 {
    width: 200px;
    height: 200px;
    top: 60%;
    right: 15%;
}

.blob-3 {
    width: 150px;
    height: 150px;
    bottom: 20%;
    left: 20%;
}

/* Glass Panel Styles */
.glass-panel {
    /* Fallback background for Android browsers */
    background: rgba(27, 65, 108, 0.7);
    backdrop-filter: blur(var(--blur-intensity));
    -webkit-backdrop-filter: blur(var(--blur-intensity));
    border-radius: var(--border-radius);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-xl);
    max-width: 1400px;
    width: 100%;
    position: relative;
    overflow: hidden;
    /* Fix for Android rendering */
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
}

/* Fallback for browsers without backdrop-filter support (Android) */
@supports not (backdrop-filter: blur(1px)) {
    .glass-panel {
        background: rgba(27, 65, 108, 0.85);
    }
}

.glass-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.5), transparent);
}

/* Header Styles */
.glass-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.glass-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    text-shadow: 0 2px 15px rgba(0, 0, 0, 0.4);
    letter-spacing: -0.03em;
    line-height: 1.1;
}

.glass-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
    font-weight: 400;
    letter-spacing: 0.01em;
    line-height: 1.4;
    max-width: 900px;
    margin: 0 auto;
}

/* Content Styles */
.glass-content {
    min-height: 400px;
}

.glass-card {
    /* Fallback background for Android browsers */
    background: rgba(27, 65, 108, 0.6);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-radius: 16px;
    border: 1px solid rgba(217, 227, 234, 0.2);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

/* Fallback for browsers without backdrop-filter support (Android) */
@supports not (backdrop-filter: blur(1px)) {
    .glass-card {
        background: rgba(27, 65, 108, 0.75);
    }
}

.glass-card h2,
.glass-card h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    font-size: 1.4rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    line-height: 1.3;
}

.glass-card h3 {
    font-size: 1.2rem;
    margin-top: var(--spacing-md);
}

.glass-card p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
    font-weight: 400;
    letter-spacing: 0.01em;
}

.glass-card a {
    color: #4fc3f7;
    text-decoration: none;
    transition: color var(--transition-normal);
}

.glass-card a:hover,
.glass-card a:focus {
    color: #81d4fa;
    text-decoration: underline;
    outline: 2px solid rgba(79, 195, 247, 0.5);
    outline-offset: 2px;
}

/* Content Grid */
.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-md);
}

.content-item {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: var(--spacing-md);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.content-item:hover,
.content-item:focus-within {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.content-item h4 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    line-height: 1.3;
}

.content-item p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.95rem;
    font-weight: 400;
    letter-spacing: 0.01em;
}

/* Glass Card within Content Grid */
.content-grid .glass-card {
    margin-bottom: 0;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.content-grid .glass-card h3 {
    margin-top: 0;
    margin-bottom: var(--spacing-sm);
    font-size: 1.3rem;
    color: var(--text-primary);
    border-bottom: 2px solid rgba(255, 255, 255, 0.2);
    padding-bottom: var(--spacing-xs);
}

.content-grid .glass-card p {
    flex-grow: 1;
    margin-bottom: 0;
}

/* Section spacing helper */
.section-spacing {
    margin-bottom: var(--spacing-xl);
}

/* Ensure 3-column grid fills width */
.content-grid[style*="grid-template-columns: repeat(3, 1fr)"] {
    grid-template-columns: repeat(3, 1fr) !important;
    width: 100%;
    max-width: 100%;
}

/* Feature Cards */
.feature-card {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.15) 0%, rgba(255, 255, 255, 0.05) 100%);
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: var(--spacing-lg);
    text-align: center;
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
    display: block;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.3));
    transition: transform var(--transition-normal);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
}

.feature-stats {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: var(--spacing-sm);
    flex-wrap: wrap;
}

.stat-badge {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 20px;
    padding: 4px 12px;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-primary);
    letter-spacing: 0.02em;
}

/* Navigation Buttons */
.glass-nav {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.glass-btn {
    background: rgba(217, 227, 234, 0.2);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(217, 227, 234, 0.3);
    border-radius: 12px;
    padding: 12px 24px;
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    letter-spacing: 0.01em;
    line-height: 1.2;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.glass-btn:hover,
.glass-btn:focus {
    background: rgba(217, 227, 234, 0.3);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    outline: 2px solid rgba(255, 255, 255, 0.5);
    outline-offset: 2px;
}

.glass-btn.active {
    background: rgba(217, 227, 234, 0.4);
    border-color: rgba(217, 227, 234, 0.6);
    box-shadow: var(--shadow-md);
}

/* Contact Section */
.contact-section .content-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.contact-section address {
    font-style: normal;
    color: var(--text-secondary);
    line-height: 1.6;
}

.contact-section a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color var(--transition-normal);
}

.contact-section a:hover,
.contact-section a:focus {
    color: var(--accent-color);
    text-decoration: underline;
    outline: 2px solid rgba(37, 211, 102, 0.5);
    outline-offset: 2px;
}

/* Contact Form */
.contact-form {
    max-width: 600px;
    margin: var(--spacing-xl) auto;
    padding: var(--spacing-xl);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(var(--blur-intensity));
    -webkit-backdrop-filter: blur(var(--blur-intensity));
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
}

.form-group {
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.form-control {
    width: 100%;
    padding: 15px 20px;
    font-size: 16px;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 12px;
    color: #333;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: all var(--transition-normal);
    font-family: inherit;
    -webkit-appearance: none;
    appearance: none;
}

.form-control:focus {
    outline: none;
    border-color: rgba(255, 255, 255, 0.6);
    background: rgba(255, 255, 255, 0.25);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.form-control::placeholder {
    color: rgba(51, 51, 51, 0.7);
    font-weight: 400;
}

textarea.form-control {
    min-height: 120px;
    resize: vertical;
    line-height: 1.5;
}

.submit-btn {
    width: 100%;
    padding: 15px 30px;
    font-size: 16px;
    font-weight: 600;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--text-primary);
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: var(--shadow-md);
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

.submit-btn:hover,
.submit-btn:focus {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    outline: 2px solid rgba(255, 255, 255, 0.5);
    outline-offset: 2px;
}

.submit-btn:active {
    transform: translateY(-1px);
}

.validation {
    color: #ff6b6b;
    font-size: 14px;
    margin-top: 5px;
    font-weight: 500;
    min-height: 20px;
    display: block;
}

.validation:empty {
    display: none;
}

.form-control.error {
    border-color: #ff6b6b;
    background: rgba(255, 107, 107, 0.1);
}

.form-control.success {
    border-color: #51cf66;
    background: rgba(81, 207, 102, 0.1);
}

#sendmessage,
#errormessage {
    padding: 15px;
    border-radius: 8px;
    margin-bottom: var(--spacing-md);
    text-align: center;
    font-weight: 500;
    display: none;
}

#sendmessage:not(:empty) {
    display: block;
    color: #51cf66;
    background: rgba(81, 207, 102, 0.1);
    border: 1px solid rgba(81, 207, 102, 0.3);
}

#errormessage:not(:empty) {
    display: block;
    color: #ff6b6b;
    background: rgba(255, 107, 107, 0.1);
    border: 1px solid rgba(255, 107, 107, 0.3);
}

/* WhatsApp Button */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1000;
    transition: transform var(--transition-normal);
}

.whatsapp-float:hover {
    transform: scale(1.1);
}

.whatsapp-float a {
    display: block;
    text-decoration: none;
    color: inherit;
}

.whatsapp-icon {
    width: 60px;
    height: 60px;
    background: var(--accent-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.whatsapp-icon svg {
    width: 32px;
    height: 32px;
    color: white;
    z-index: 1;
    position: relative;
}

.whatsapp-link {
    display: inline-flex;
    align-items: center;
    margin-left: 8px;
    text-decoration: none;
    transition: transform var(--transition-normal);
}

.whatsapp-link:hover,
.whatsapp-link:focus {
    transform: scale(1.1);
    outline: 2px solid rgba(37, 211, 102, 0.5);
    outline-offset: 2px;
}

.whatsapp-icon-inline {
    width: 20px;
    height: 20px;
    color: var(--accent-color);
    filter: drop-shadow(0 1px 3px rgba(0, 0, 0, 0.3));
    transition: all var(--transition-normal);
}

/* Footer */
.glass-footer {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding: var(--spacing-lg);
    margin-top: var(--spacing-xl);
    margin-bottom: 0;
    margin-left: 0;
    margin-right: 0;
    text-align: center;
    width: 100%;
    position: relative;
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
    z-index: 10;
    flex-shrink: 0; /* Prevent footer from shrinking */
    clear: both;
    box-sizing: border-box;
    /* Ensure footer is always at bottom */
    margin-top: auto;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex !important;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    visibility: visible !important;
    opacity: 1 !important;
}

.footer-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    visibility: visible !important;
    opacity: 1 !important;
    display: block !important;
}

.footer-nav {
    display: flex !important;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    visibility: visible !important;
    opacity: 1 !important;
}

.footer-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color var(--transition-normal);
}

.footer-link:hover,
.footer-link:focus {
    color: var(--text-primary);
    text-decoration: underline;
    outline: 2px solid rgba(255, 255, 255, 0.5);
    outline-offset: 2px;
}

/* Case Study Styles */
.case-study {
    background: rgba(217, 227, 234, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(217, 227, 234, 0.2);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    transition: all var(--transition-normal);
}

.case-study:hover {
    background: rgba(217, 227, 234, 0.15);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.case-study-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.case-study-icon {
    font-size: 3rem;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.3));
    flex-shrink: 0;
}

.case-study-title h3 {
    color: var(--text-primary);
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 5px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
}

.case-study-subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
    margin: 0;
    text-shadow: 0 1px 5px rgba(0, 0, 0, 0.3);
}

.case-study-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.case-study-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.case-study-stats .stat-item {
    background: rgba(217, 227, 234, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(217, 227, 234, 0.2);
    border-radius: 15px;
    padding: var(--spacing-md);
    text-align: center;
    transition: all var(--transition-normal);
}

.case-study-stats .stat-item:hover {
    background: rgba(217, 227, 234, 0.15);
    transform: scale(1.05);
}

.case-study-stats .stat-number {
    display: block;
    color: #e4e4fb;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 5px;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.case-study-stats .stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
}

.case-study-details h4 {
    color: var(--text-primary);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    margin-top: var(--spacing-md);
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.case-study-details p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
}

.case-study-details ul {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-sm);
    padding-left: var(--spacing-lg);
}

.case-study-details li {
    margin-bottom: var(--spacing-xs);
}

.implementation-guide {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.implementation-guide h3 {
    color: var(--text-primary);
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
}

/* Back Button */
.back-btn {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 12px;
    padding: 12px 24px;
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    transition: all var(--transition-normal);
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

.back-btn:hover,
.back-btn:focus {
    background: rgba(255, 255, 255, 0.25);
    transform: translateX(-2px);
    outline: 2px solid rgba(255, 255, 255, 0.5);
    outline-offset: 2px;
}

.back-btn span {
    margin-right: 8px;
    font-size: 1.2em;
}

/* Image Slider */
.simple-slider-section {
    margin: var(--spacing-xl) 0;
}

.simple-slider {
    width: 100%;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(var(--blur-intensity));
    -webkit-backdrop-filter: blur(var(--blur-intensity));
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
}

.current-slide {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.main-image {
    max-width: 100%;
    max-height: 500px;
    border-radius: 15px;
    box-shadow: var(--shadow-lg);
    margin-bottom: var(--spacing-md);
    object-fit: contain;
}

.slide-info h3 {
    color: var(--text-primary);
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.slide-info p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.6;
    max-width: 600px;
    margin: 0 auto;
}

.thumbnail-nav {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

.thumbnail {
    width: 80px;
    height: 60px;
    border-radius: 10px;
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all var(--transition-normal);
    opacity: 0.6;
    background: none;
    padding: 0;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

.thumbnail:hover,
.thumbnail:focus {
    opacity: 0.8;
    transform: scale(1.05);
    outline: 2px solid rgba(255, 255, 255, 0.5);
    outline-offset: 2px;
}

.thumbnail.active {
    border-color: rgba(255, 255, 255, 0.8);
    opacity: 1;
    transform: scale(1.1);
}

.thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* KPDN Info Section */
.kpdn-info-section {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.kpdn-intro {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
    font-weight: 500;
}

.marketing-plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.plan-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: var(--spacing-md);
    transition: all var(--transition-normal);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.plan-card:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.plan-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.plan-icon {
    font-size: 1.8rem;
    flex-shrink: 0;
}

.plan-header h3 {
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0;
    line-height: 1.3;
}

.plan-content ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.plan-content li {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
    padding-left: 20px;
    position: relative;
}

.plan-content li:before {
    content: "•";
    color: #4fc3f7;
    font-weight: bold;
    position: absolute;
    left: 0;
    top: 0;
}

.kpdn-source {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: var(--spacing-sm);
    text-align: center;
    margin-top: var(--spacing-md);
}

.kpdn-source p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin: 0;
    line-height: 1.5;
}

.kpdn-source a {
    color: #4fc3f7;
    text-decoration: none;
    transition: color var(--transition-normal);
}

.kpdn-source a:hover,
.kpdn-source a:focus {
    color: #81d4fa;
    text-decoration: underline;
    outline: 2px solid rgba(79, 195, 247, 0.5);
    outline-offset: 2px;
}

/* Binary Section */
.binary-section h3,
.binary-section h4 {
    color: var(--text-primary);
    font-size: 1.2rem;
    font-weight: 600;
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
}

.binary-section p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
}

/* ============================================
   RESPONSIVE DESIGN - MOBILE FIRST
   ============================================ */

/* Mobile Devices (up to 768px) */
@media (max-width: 768px) {
    :root {
        --spacing-xs: 0.4rem;
        --spacing-sm: 0.75rem;
        --spacing-md: 1rem;
        --spacing-lg: 1.5rem;
        --spacing-xl: 2rem;
    }
    
    /* CRITICAL: Force footer visibility on mobile */
    footer.glass-footer,
    .glass-footer {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        position: relative !important;
        width: 100% !important;
        max-width: 100% !important;
        height: auto !important;
        min-height: 80px !important;
        margin: var(--spacing-xl) auto 0 auto !important;
        padding: var(--spacing-md) var(--spacing-sm) !important;
        background: rgba(27, 65, 108, 0.95) !important;
        border-top: 2px solid rgba(255, 255, 255, 0.4) !important;
        z-index: 100 !important;
        overflow: visible !important;
        clip: auto !important;
        transform: none !important;
        left: 0 !important;
        right: 0 !important;
        top: auto !important;
        bottom: auto !important;
        box-sizing: border-box !important;
    }
    
    /* Ensure footer is after main-container */
    .main-container + .glass-footer {
        margin-top: var(--spacing-xl) !important;
        display: block !important;
    }

    html {
        /* Fix for Android viewport height issues */
        height: -webkit-fill-available;
    }

    body {
        padding-top: 0;
        margin-top: 0;
        padding-bottom: 0;
        /* Fix for Android viewport height issues */
        min-height: 100vh;
        min-height: -webkit-fill-available;
        /* Prevent zoom on input focus (Android) */
        font-size: 16px;
        /* Ensure footer is visible */
        overflow-x: hidden;
        overflow-y: auto;
        display: flex;
        flex-direction: column;
    }

    .company-header {
        padding: var(--spacing-xs) 0;
    }

    .logo-container {
        padding: 0 var(--spacing-sm);
        gap: var(--spacing-xs);
    }

    .logo-icon {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .company-name {
        font-size: 1.1rem;
    }

    .company-tagline {
        font-size: 0.75rem;
    }

    .main-nav {
        display: none;
    }

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

    .main-container {
        padding: var(--spacing-sm);
        padding-top: 100px;
        padding-bottom: var(--spacing-xl); /* Extra padding for footer */
        /* Fix for Android rendering */
        -webkit-transform: translateZ(0);
        transform: translateZ(0);
        /* Ensure footer space */
        margin-bottom: 0;
        min-height: auto; /* Remove fixed height on mobile */
        flex: 1 0 auto;
        position: relative;
    }

    .glass-panel {
        padding: var(--spacing-md);
        margin-top: var(--spacing-sm);
    }

    .glass-title {
        font-size: 1.6rem;
        margin-bottom: var(--spacing-xs);
    }

    .glass-subtitle {
        font-size: 0.9rem;
    }

    .glass-nav {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-xs);
    }

    .glass-btn {
        width: 100%;
        padding: var(--spacing-sm);
        font-size: 0.9rem;
    }

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

    .content-grid[style*="grid-template-columns: repeat(3, 1fr)"] {
        grid-template-columns: 1fr !important;
    }

    .contact-section .content-grid {
        grid-template-columns: 1fr;
    }

    .contact-form {
        margin: var(--spacing-md) var(--spacing-sm);
        padding: var(--spacing-md);
    }

    .form-control {
        padding: 12px 16px;
        font-size: 16px; /* Prevents zoom on iOS/Android */
        /* Fix for Android input rendering */
        -webkit-appearance: none;
        appearance: none;
        border-radius: 12px;
        /* Prevent text selection issues */
        -webkit-user-select: text;
        user-select: text;
    }

    .submit-btn {
        padding: 12px 20px;
        font-size: 16px;
    }

    textarea.form-control {
        min-height: 100px;
    }

    .whatsapp-float {
        bottom: 20px;
        right: 20px;
    }

    .whatsapp-icon {
        width: 50px;
        height: 50px;
    }

    .whatsapp-icon svg {
        width: 28px;
        height: 28px;
    }

    .whatsapp-icon-inline {
        width: 18px;
        height: 18px;
    }

    .main-image {
        max-height: 300px;
    }

    .slide-info h3 {
        font-size: 1.4rem;
    }

    .slide-info p {
        font-size: 0.9rem;
    }

    .thumbnail {
        width: 60px;
        height: 45px;
    }

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

    .plan-card {
        padding: var(--spacing-sm);
    }

    .plan-header h3 {
        font-size: 1rem;
    }

    .plan-content li {
        font-size: 0.85rem;
    }

    .glass-footer {
        width: 100% !important;
        position: relative !important;
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        margin-top: var(--spacing-xl) !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        margin-bottom: 0 !important;
        padding: var(--spacing-md) var(--spacing-sm) !important;
        padding-bottom: max(var(--spacing-md), env(safe-area-inset-bottom)) !important;
        flex-shrink: 0;
        clear: both;
        z-index: 100 !important;
        background: rgba(27, 65, 108, 0.95) !important;
        border-top: 2px solid rgba(255, 255, 255, 0.4) !important;
        box-sizing: border-box !important;
        left: 0 !important;
        right: 0 !important;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }

    .footer-nav {
        justify-content: center;
    }

    .case-study {
        padding: var(--spacing-md);
        margin-bottom: var(--spacing-md);
    }

    .case-study-header {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }
    
    .case-study-icon {
        font-size: 2.5rem;
    }
    
    .case-study-title h3 {
        font-size: 1.5rem;
    }
    
    .case-study-stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .case-study-stats .stat-item {
        padding: var(--spacing-sm);
    }
    
    .case-study-stats .stat-number {
        font-size: 1.8rem;
    }
    
    .case-study-details h4 {
        font-size: 1.2rem;
    }
    
    .case-study-details p {
        font-size: 0.95rem;
    }

    .back-btn {
        padding: 10px 15px;
        font-size: 0.9rem;
        border-radius: 25px;
    }
}

/* Tablet Devices (769px to 1024px) */
@media (min-width: 769px) and (max-width: 1024px) {
    .content-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }

    .content-grid[style*="grid-template-columns: repeat(3, 1fr)"] {
        grid-template-columns: repeat(2, 1fr) !important;
    }

    .contact-section .content-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .marketing-plans-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }

    .glass-nav {
        flex-wrap: wrap;
    }

    .glass-btn {
        min-width: 140px;
        flex: 1;
        max-width: 200px;
    }
}

/* Large Desktop (1025px and above) */
@media (min-width: 1025px) {
    .content-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .contact-section .content-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* FAQ Section Styles */
.faq-container {
    margin-top: var(--spacing-lg);
}

.faq-item {
    margin-bottom: var(--spacing-md);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.05);
}

.faq-question {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    background: transparent;
    border: none;
    text-align: left;
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 600;
    display: block;
    margin: 0;
    cursor: pointer;
    position: relative;
    padding-right: 3rem;
}

.faq-question::after {
    content: '+';
    position: absolute;
    right: var(--spacing-lg);
    top: var(--spacing-md);
    font-size: 1.5rem;
    font-weight: 300;
}

.faq-question[aria-expanded="true"]::after {
    content: '−';
}

.faq-question span {
    display: block;
}

.faq-answer {
    display: none;
    padding: 0 var(--spacing-lg) var(--spacing-lg);
}

.faq-answer.active {
    display: block;
}

.faq-answer p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0;
    padding-top: var(--spacing-sm);
    font-size: 1rem;
}

/* Mobile FAQ Styles */
@media (max-width: 768px) {
    .faq-question {
        padding: var(--spacing-md);
        padding-right: 2.5rem;
        font-size: 1rem;
    }
    
    .faq-question::after {
        right: var(--spacing-md);
        font-size: 1.3rem;
    }

    .faq-answer {
        padding: 0 var(--spacing-md) var(--spacing-md);
    }

    .faq-answer p {
        font-size: 0.95rem;
    }
}

/* Print Styles */
@media print {
    .company-header,
    .mobile-side-menu,
    .mobile-menu-overlay,
    .whatsapp-float,
    .glass-footer {
        display: none;
    }

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

    .glass-panel {
        box-shadow: none;
        border: 1px solid #ccc;
    }
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    :root {
        --glass-bg: rgba(255, 255, 255, 0.4);
        --glass-border: rgba(255, 255, 255, 0.6);
    }

    .nav-link,
    .glass-btn {
        border-width: 2px;
    }
}

/* ============================================
   ANDROID-SPECIFIC FIXES
   ============================================ */

/* Fix for Android browsers that don't support backdrop-filter */
@supports not (backdrop-filter: blur(1px)) {
    .content-item {
        background: rgba(27, 65, 108, 0.6);
    }
    
    .feature-card {
        background: rgba(27, 65, 108, 0.65);
    }
    
    .contact-form {
        background: rgba(27, 65, 108, 0.75);
    }
    
    .case-study {
        background: rgba(27, 65, 108, 0.6);
    }
    
    .plan-card {
        background: rgba(27, 65, 108, 0.5);
    }
    
    .simple-slider {
        background: rgba(27, 65, 108, 0.7);
    }
    
    .stat-badge {
        background: rgba(27, 65, 108, 0.8);
    }
    
    .liquid-blob {
        background: rgba(27, 65, 108, 0.3);
    }
    
    .glass-footer {
        background: rgba(27, 65, 108, 0.95) !important;
        border-top: 2px solid rgba(255, 255, 255, 0.3) !important;
    }
    
    .glass-footer .footer-content,
    .glass-footer .footer-content p,
    .glass-footer .footer-nav,
    .glass-footer .footer-link {
        color: rgba(255, 255, 255, 0.9) !important;
        visibility: visible !important;
        opacity: 1 !important;
    }
}

/* Android-specific viewport fixes */
@supports (-webkit-touch-callout: none) {
    /* iOS and some Android browsers */
    body {
        min-height: -webkit-fill-available;
    }
    
    .mobile-side-menu,
    .mobile-menu-overlay {
        height: -webkit-fill-available;
    }
}

/* Fix for Android Chrome address bar issues */
@media screen and (max-width: 768px) {
    html {
        height: 100%;
        overflow-y: auto;
    }
    
    body {
        min-height: 100%;
        display: flex;
        flex-direction: column;
    }
    
    .main-container {
        /* Use viewport units that account for browser UI */
        min-height: auto;
        max-height: none;
        flex: 1 0 auto;
    }
    
    /* ULTRA AGGRESSIVE: Force footer visibility on mobile */
    footer.glass-footer,
    .glass-footer {
        position: relative !important;
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        height: auto !important;
        min-height: 100px !important;
        max-height: none !important;
        overflow: visible !important;
        clip: auto !important;
        clip-path: none !important;
        transform: none !important;
        left: 0 !important;
        right: 0 !important;
        bottom: auto !important;
        top: auto !important;
        width: 100% !important;
        margin: var(--spacing-xl) 0 0 0 !important;
        padding: var(--spacing-md) var(--spacing-sm) !important;
        background: rgba(27, 65, 108, 0.98) !important;
        border-top: 3px solid rgba(255, 255, 255, 0.5) !important;
        z-index: 999 !important;
        flex-shrink: 0 !important;
        box-sizing: border-box !important;
    }
    
    .footer-content,
    .footer-content p,
    .footer-nav,
    .footer-link {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        height: auto !important;
        overflow: visible !important;
        color: rgba(255, 255, 255, 0.95) !important;
    }
    
    .footer-content {
        display: flex !important;
        flex-direction: column !important;
    }
    
    .footer-nav {
        display: flex !important;
        justify-content: center !important;
    }
}

/* Android touch optimization */
@media (hover: none) and (pointer: coarse) {
    /* Touch device optimizations */
    .nav-link,
    .glass-btn,
    .submit-btn,
    .mobile-menu-toggle,
    .thumbnail,
    .faq-question {
        min-height: 44px; /* Minimum touch target size */
        min-width: 44px;
    }
    
    /* Remove hover effects on touch devices */
    .content-item:hover,
    .feature-card:hover .feature-icon,
    .case-study:hover,
    .plan-card:hover {
        transform: none;
    }
}

/* Fix for Android text rendering */
@media screen and (-webkit-min-device-pixel-ratio: 0) {
    body {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
    
    /* Improve text rendering on Android */
    p, span, h1, h2, h3, h4, h5, h6, a, li {
        text-rendering: optimizeLegibility;
        -webkit-font-feature-settings: "kern" 1;
        font-feature-settings: "kern" 1;
    }
}

/* Fix for Android scrolling issues */
@media screen and (max-width: 768px) {
    /* Smooth scrolling fix for Android */
    html {
        -webkit-overflow-scrolling: touch;
    }
    
    /* Fix for fixed positioning on Android */
    .company-header,
    .whatsapp-float {
        position: fixed;
        -webkit-transform: translateZ(0);
        transform: translateZ(0);
        will-change: transform;
    }
}

/* Prevent Android browser UI from affecting layout */
@supports (padding: max(0px)) {
    .main-container {
        padding-bottom: max(var(--spacing-md), env(safe-area-inset-bottom));
    }
}