/* Reset e base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Apple Design System Colors */
    --primary-blue: #007AFF;
    --primary-blue-dark: #0056CC;
    --secondary-purple: #5856D6;
    --success-green: #34C759;
    --warning-orange: #FF9500;
    --danger-red: #FF3B30;

    /* Neutral Colors */
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;

    /* Glass Effect Colors */
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-shadow: rgba(0, 0, 0, 0.1);
    --glass-hover: rgba(255, 255, 255, 0.15);

    /* Typography */
    --font-family-primary: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    --font-family-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;

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

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    /* CSS Base Template - Riutilizzabile per applicazioni web */
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.1);

    /* Transitions */
    --transition-fast: 0.15s ease-out;
    --transition-normal: 0.25s ease-out;
    --transition-slow: 0.35s ease-out;
}

/* Base Typography */
body {
    font-family: var(--font-family-primary);
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--gray-50);
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.25;
    color: var(--gray-900);
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
}

h2 {
    font-size: 2rem;
    font-weight: 600;
}

h3 {
    font-size: 1.5rem;
    font-weight: 600;
}

h4 {
    font-size: 1.25rem;
    font-weight: 600;
}

p {
    margin-bottom: var(--spacing-md);
    color: var(--gray-700);
}

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

a:hover {
    color: var(--primary-blue-dark);
    text-decoration: underline;
}

/* Layout Components */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
    }
}

/* Header & Navigation */
.header {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-glass);
}

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

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.nav-brand {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.app-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin: 0;
}

.app-subtitle {
    font-size: 0.875rem;
    color: var(--gray-600);
    font-weight: 500;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
    align-items: center;
}

.nav-link {
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    position: relative;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-link:hover {
    background: var(--glass-hover);
    border-color: var(--glass-border);
    transform: translateY(-1px);
    text-decoration: none;
}

.nav-link.active {
    color: var(--primary-blue);
    background: rgba(0, 122, 255, 0.1);
    border-color: rgba(0, 122, 255, 0.3);
    box-shadow: 0 0 20px rgba(0, 122, 255, 0.2);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    padding: var(--spacing-sm);
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--gray-700);
    margin: 2px 0;
    transition: var(--transition-fast);
    border-radius: 2px;
}

@media (max-width: 768px) {
    .nav-container {
        padding: 0 var(--spacing-md);
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: white;
        flex-direction: column;
        gap: 0;
        padding: var(--spacing-lg);
        box-shadow: var(--shadow-lg);
        transform: translateY(-10px);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
        border-top: 1px solid var(--gray-200);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-link {
        width: 100%;
        text-align: center;
        padding: var(--spacing-md);
        border-bottom: 1px solid var(--gray-100);
    }
    
    .nav-link:last-child {
        border-bottom: none;
    }
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-purple) 100%);
    color: white;
    padding: var(--spacing-3xl) 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="20" cy="20" r="1" fill="white" opacity="0.1"/><circle cx="80" cy="40" r="0.5" fill="white" opacity="0.1"/><circle cx="40" cy="80" r="1.5" fill="white" opacity="0.05"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.1;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    position: relative;
    z-index: 1;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.app-icon {
    margin-bottom: var(--spacing-xl);
}

.icon-placeholder {
    display: inline-block;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: white;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: var(--spacing-lg);
    color: rgba(255, 255, 255, 0.9);
}

.hero-description {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-2xl);
    color: rgba(255, 255, 255, 0.8);
}

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

@media (max-width: 768px) {
    .hero {
        padding: var(--spacing-2xl) 0;
    }
    
    .hero-container {
        padding: 0 var(--spacing-md);
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
}

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition: all var(--transition-normal);
    border: 2px solid transparent;
    cursor: pointer;
    min-width: 200px;
    justify-content: center;
}

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

.btn-primary:hover {
    background-color: var(--gray-100);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    text-decoration: none;
}

.btn-secondary {
    background-color: transparent;
    color: white;
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: white;
    transform: translateY(-2px);
    text-decoration: none;
    color: white;
}

/* Sections */
.section-title {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--gray-900);
}

/* Features Section */
.features {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--gray-50) 0%, rgba(255, 255, 255, 0.8) 100%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-2xl);
}

.feature-card {
    text-align: center;
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-glass);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
    pointer-events: none;
}

.feature-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.2);
    border-color: rgba(0, 122, 255, 0.3);
}

.feature-card > * {
    position: relative;
    z-index: 1;
}

.feature-icon {
    margin-bottom: var(--spacing-lg);
    display: flex;
    justify-content: center;
}

.feature-card h3 {
    margin-bottom: var(--spacing-md);
    color: var(--gray-900);
}

.feature-card p {
    color: var(--gray-600);
    line-height: 1.7;
}

/* Compatibility Section */
.compatibility {
    padding: var(--spacing-3xl) 0;
    background-color: var(--gray-50);
}

.compatibility-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-2xl);
    max-width: 800px;
    margin: 0 auto;
}

.compatibility-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
    background-color: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.compatibility-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.compatibility-icon {
    flex-shrink: 0;
}

.compatibility-item h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--gray-900);
}

.compatibility-item p {
    color: var(--gray-600);
    margin: 0;
}

/* Support Section */
.support-section {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.8) 0%, var(--gray-50) 100%);
}

.support-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-2xl);
}

.support-card {
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-glass);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.support-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
    pointer-events: none;
}

.support-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.2);
    border-color: rgba(0, 122, 255, 0.3);
}

.support-card > * {
    position: relative;
    z-index: 1;
}

.support-card h3 {
    margin-bottom: var(--spacing-md);
    color: var(--gray-900);
}

.support-card p {
    margin-bottom: var(--spacing-lg);
    color: var(--gray-600);
}

.support-link {
    font-weight: 600;
    color: var(--primary-blue);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.support-link:hover {
    color: var(--primary-blue-dark);
    text-decoration: none;
}

/* Developer Section */
.developer-section {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-purple) 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.developer-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="developerGrain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="20" cy="20" r="1" fill="white" opacity="0.03"/><circle cx="80" cy="40" r="0.5" fill="white" opacity="0.02"/><circle cx="40" cy="80" r="1.5" fill="white" opacity="0.01"/></pattern></defs><rect width="100" height="100" fill="url(%23developerGrain)"/></svg>');
    opacity: 0.1;
}

.developer-profile {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

.developer-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-glass);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.developer-avatar {
    margin-bottom: var(--spacing-lg);
}

.avatar-placeholder {
    display: inline-block;
    border-radius: 50%;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.developer-info h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: white;
}

.developer-title {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-lg);
    font-weight: 500;
}

.developer-bio {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    margin-bottom: var(--spacing-xl);
}

.developer-stats {
    display: flex;
    gap: var(--spacing-lg);
    width: 100%;
    justify-content: center;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
}

.stat-label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
    margin-top: var(--spacing-xs);
}

.developer-links h4 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    color: white;
}

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

.link-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-glass);
}

.link-card:hover {
    transform: translateY(-2px);
    background: var(--glass-hover);
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    text-decoration: none;
}

.link-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.link-icon svg {
    width: 24px;
    height: 24px;
    color: white;
}

.link-icon.linkedin {
    background: linear-gradient(135deg, #0077B5, #005885);
}

.link-icon.github {
    background: linear-gradient(135deg, #333, #24292e);
}

.link-icon.appstore {
    background: linear-gradient(135deg, #007AFF, #0056CC);
}

.link-content {
    flex: 1;
}

.link-title {
    display: block;
    font-weight: 600;
    color: white;
    margin-bottom: var(--spacing-xs);
}

.link-subtitle {
    display: block;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
}

@media (max-width: 768px) {
    .developer-profile {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .developer-card {
        order: 2;
    }
    
    .developer-links {
        order: 1;
    }
    
    .developer-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }
}

/* Footer */
.footer {
    background-color: var(--gray-900);
    color: var(--gray-300);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-info h3,
.footer-links h4,
.footer-developer h4,
.footer-social h4 {
    color: white;
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
}

.footer-links ul,
.footer-developer ul {
    list-style: none;
}

.footer-links li,
.footer-developer li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a,
.footer-developer a,
.footer-social a {
    color: var(--gray-300);
    transition: color var(--transition-fast);
}

.footer-links a:hover,
.footer-developer a:hover,
.footer-social a:hover {
    color: white;
    text-decoration: none;
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    transition: all var(--transition-normal);
    text-decoration: none;
}

.social-link:hover {
    transform: translateY(-2px);
    background: var(--glass-hover);
    border-color: rgba(0, 122, 255, 0.3);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.social-link.github {
    background: linear-gradient(135deg, #333, #24292e);
}

.social-link.linkedin {
    background: linear-gradient(135deg, #0077B5, #005885);
}

.social-link.email {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-purple));
}

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

.footer-bottom {
    border-top: 1px solid var(--gray-700);
    padding-top: var(--spacing-lg);
    text-align: center;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

@media (max-width: 768px) {
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
}

/* Support Page Specific Styles */
.support-header {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-purple) 100%);
    color: white;
    padding: var(--spacing-2xl) 0;
    text-align: center;
}

.support-nav {
    background-color: white;
    padding: var(--spacing-lg) 0;
    border-bottom: 1px solid var(--gray-200);
    position: sticky;
    top: 0;
    z-index: 100;
}

.support-nav ul {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    list-style: none;
    flex-wrap: wrap;
}

.support-nav a {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.support-nav a:hover {
    background-color: var(--gray-100);
    text-decoration: none;
}

.support-content {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-2xl) var(--spacing-lg);
}

.support-section-content {
    background-color: white;
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-2xl);
}

.support-section-content h2 {
    color: var(--primary-blue);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--primary-blue);
}

.support-section-content h3 {
    color: var(--gray-800);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

.support-section-content ul {
    padding-left: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.support-section-content li {
    margin-bottom: var(--spacing-sm);
    color: var(--gray-700);
}

.contact-info {
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--gray-100) 100%);
    border: 1px solid var(--gray-200);
}

/* Privacy Policy Specific Styles */
.privacy-header {
    background: linear-gradient(135deg, var(--gray-800) 0%, var(--gray-900) 100%);
    color: white;
    padding: var(--spacing-2xl) 0;
    text-align: center;
}

.privacy-content {
    max-width: 900px;
    margin: 0 auto;
    padding: var(--spacing-2xl) var(--spacing-lg);
}

.privacy-section {
    background-color: white;
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-2xl);
}

.privacy-section h2 {
    color: var(--gray-800);
    margin-bottom: var(--spacing-lg);
    border-left: 4px solid var(--primary-blue);
    padding-left: var(--spacing-md);
}

.privacy-section h3 {
    color: var(--gray-700);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

.privacy-section h4 {
    color: var(--gray-600);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.last-updated {
    background-color: var(--gray-100);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-xl);
    border-left: 4px solid var(--warning-orange);
}

.definition {
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: var(--gray-50);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--primary-blue);
}

.definition strong {
    color: var(--gray-900);
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Focus States for Accessibility */
.btn:focus,
.nav-link:focus,
a:focus {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
}

/* Responsive Images */
img {
    max-width: 100%;
    height: auto;
}

/* FAQ Accordion Styles */
.faq-item {
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.faq-item:hover {
    border-color: var(--primary-blue);
    box-shadow: var(--shadow-md);
}

.faq-question {
    width: 100%;
    background: none;
    border: none;
    padding: var(--spacing-lg);
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all var(--transition-fast);
}

.faq-question:hover {
    background-color: var(--gray-50);
}

.faq-question h3 {
    margin: 0;
    color: var(--gray-900);
    font-size: 1.125rem;
}

.faq-icon {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-blue);
    transition: transform var(--transition-fast);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
}

.faq-answer p {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    margin: 0;
    color: var(--gray-700);
    line-height: 1.7;
}

/* Portfolio Grid */
.developer-portfolio {
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-2xl);
    border-top: 1px solid var(--glass-border);
}

.developer-portfolio h3 {
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
}

.developer-portfolio p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-lg);
}

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

.portfolio-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-glass);
}

.portfolio-item:hover {
    transform: translateY(-2px);
    background: var(--glass-hover);
    border-color: rgba(0, 122, 255, 0.3);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    text-decoration: none;
}

.portfolio-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-purple));
}

.portfolio-icon.github {
    background: linear-gradient(135deg, #333, #24292e);
}

.portfolio-icon.linkedin {
    background: linear-gradient(135deg, #0077B5, #005885);
}

.portfolio-icon svg {
    width: 24px;
    height: 24px;
    color: white;
}

.portfolio-info {
    flex: 1;
}

.portfolio-title {
    display: block;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-xs);
}

.portfolio-subtitle {
    display: block;
    font-size: 0.875rem;
    color: var(--gray-600);
}

/* Print Styles */
@media print {
    .header,
    .footer,
    .hero-actions,
    .nav-toggle,
    .support-nav,
    .contact-actions {
        display: none;
    }
    
    .hero,
    .support-header {
        background: none;
        color: var(--gray-900);
    }
    
    .hero-title,
    .hero-subtitle {
        color: var(--gray-900);
    }
    
    body {
        background: white;
    }
    
    .feature-card,
    .support-card,
    .compatibility-item,
    .support-section-content {
        box-shadow: none;
        border: 1px solid var(--gray-300);
        break-inside: avoid;
    }
    
    .faq-item {
        border: 1px solid var(--gray-300);
        break-inside: avoid;
    }
    
    .faq-answer {
        max-height: none !important;
    }
    
    .faq-icon {
        display: none;
    }
}