/* CSS Custom Properties - Design System */
:root {
    /* Primary Colors */
    --primary-blue: #4A90E2;
    --light-cyan: #00D4FF;
    --secondary-purple: #8B5CF6;
    --accent-pink: #E91E63;
    --dark-navy: #1A2332;
    --medium-blue: #2D4A87;
    
    /* Semantic Colors */
    --success-green: #10B981;
    --warning-orange: #F59E0B;
    --error-red: #EF4444;
    --info-blue: #3B82F6;
    
    /* Neutral Grays */
    --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;
    
    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, sans-serif;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Spacing */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;
    --space-12: 48px;
    --space-16: 64px;
    --space-20: 80px;
    --space-24: 96px;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 20px;
    --radius-3xl: 24px;
    
    /* Container */
    --container-max-width: 1200px;
    
    /* 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);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 250ms ease-in-out;
    --transition-slow: 350ms ease-in-out;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-weight: var(--font-weight-normal);
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--gray-50);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Container */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--space-4);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--space-6);
    }
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-semibold);
    line-height: 1.2;
    color: var(--gray-900);
    margin-bottom: var(--space-4);
}

h1 {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

@media (min-width: 768px) {
    h1 {
        font-size: 3.5rem;
    }
    
    h2 {
        font-size: 2.5rem;
    }
    
    h3 {
        font-size: 1.75rem;
    }
}

/* Ensure h1 within semantic elements have explicit font-size */
article h1,
aside h1,
nav h1,
section h1 {
    font-size: 2.5rem; /* Default font size for h1 */
}

p {
    margin-bottom: var(--space-4);
    color: var(--gray-600);
}

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

a:hover {
    color: var(--medium-blue);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-3) var(--space-6);
    border: none;
    border-radius: var(--radius-lg);
    font-family: var(--font-family);
    font-size: 1rem;
    font-weight: var(--font-weight-medium);
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    min-height: 48px;
}

.btn-primary {
    background-color: var(--primary-blue);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background-color: var(--medium-blue);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
    color: white;
}

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

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

@media (min-width: 768px) {
    .btn {
        padding: var(--space-4) var(--space-8);
        font-size: 1.125rem;
    }
}

/* Navigation */
.navbar {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all var(--transition-fast);
}

.nav-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--space-4);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.nav-logo {
    width: 64px;
    height: 64px;
}

.nav-title {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--gray-900);
}

.nav-menu {
    display: none;
    align-items: center;
    gap: var(--space-8);
}

@media (min-width: 768px) {
    .nav-menu {
        display: flex;
    }
}

.nav-link {
    font-weight: var(--font-weight-medium);
    color: var(--gray-700);
    transition: color var(--transition-fast);
}

.nav-link:hover {
    color: var(--primary-blue);
}

.nav-cta {
    background-color: var(--primary-blue);
    color: white !important;
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav-cta:hover {
    background-color: var(--medium-blue);
    transform: translateY(-1px);
}

.nav-toggle {
    display: flex;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
}

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

.nav-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--gray-700);
    transition: all var(--transition-fast);
}

/* Hero Section */
.hero {
    padding: calc(70px + var(--space-16)) 0 var(--space-16);
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--gray-100) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../images/bg-pattern.webp') repeat;
    opacity: 0.7;
    z-index: 1;
}

.hero-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--space-4);
    position: relative;
    z-index: 2;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-12);
    align-items: center;
}

@media (min-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-16);
    }
}

.hero-title {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--gray-900);
    margin-bottom: var(--space-6);
    line-height: 1.1;
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 3.5rem;
    }
}

@media (min-width: 1024px) {
    .hero-title {
        font-size: 4rem;
    }
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--gray-600);
    margin-bottom: var(--space-8);
    line-height: 1.5;
}

@media (min-width: 768px) {
    .hero-subtitle {
        font-size: 1.5rem;
    }
}

.trust-badges {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
    margin-bottom: var(--space-8);
}

@media (min-width: 768px) {
    .trust-badges {
        grid-template-columns: repeat(4, 1fr);
    }
}

.badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--space-4);
    background-color: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
}

.badge:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.badge-icon {
    font-size: 1.5rem;
    margin-bottom: var(--space-2);
}

.badge-text {
    font-size: 0.875rem;
    font-weight: var(--font-weight-medium);
    color: var(--gray-700);
}

.hero-cta {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

@media (min-width: 640px) {
    .hero-cta {
        flex-direction: row;
    }
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-phone {
    position: relative;
    max-width: 400px;
    width: 100%;
}

.hero-image {
    width: auto;
    height: auto;
    max-height:550px;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
}

.privacy-indicators {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.indicator {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    font-size: 0.75rem;
    font-weight: var(--font-weight-medium);
    box-shadow: var(--shadow-sm);
}

.indicator-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--success-green);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.indicator-icon {
    font-size: 1rem;
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: var(--space-16);
}

.section-title {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--gray-900);
    margin-bottom: var(--space-4);
}

@media (min-width: 768px) {
    .section-title {
        font-size: 3rem;
    }
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

/* Features Section */
.features {
    padding: var(--space-20) 0;
    background-color: white;
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-8);
}

@media (min-width: 768px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.feature-card {
    text-align: center;
    padding: var(--space-8);
    background-color: var(--gray-50);
    border-radius: var(--radius-xl);
    transition: all var(--transition-normal);
    border: 1px solid var(--gray-200);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    background-color: white;
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-6);
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--primary-blue);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.feature-icon img {
    width: 48px;
    height: 48px;
}

.feature-title {
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
    color: var(--gray-900);
    margin-bottom: var(--space-4);
}

.feature-description {
    color: var(--gray-600);
    line-height: 1.6;
}

/* Privacy Promise Section */
.privacy-promise {
    padding: var(--space-20) 0;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--medium-blue) 100%);
    color: white;
}

.privacy-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-12);
    align-items: center;
}

@media (min-width: 1024px) {
    .privacy-content {
        grid-template-columns: 2fr 1fr;
        gap: var(--space-16);
    }
}

.privacy-title {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    color: white;
    margin-bottom: var(--space-6);
}

@media (min-width: 768px) {
    .privacy-title {
        font-size: 3rem;
    }
}

.privacy-description {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-8);
    line-height: 1.6;
}

.privacy-checklist {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-4);
}

@media (min-width: 640px) {
    .privacy-checklist {
        grid-template-columns: repeat(2, 1fr);
    }
}

.check-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.check-icon {
    font-size: 1.25rem;
}

.check-text {
    font-weight: var(--font-weight-medium);
    color: rgba(255, 255, 255, 0.95);
}

.privacy-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.privacy-shield {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 200px;
    height: 200px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.shield-icon {
    width: 80px;
    height: 80px;
    margin-bottom: var(--space-4);
    filter: brightness(0) invert(1);
}

.shield-text {
    text-align: center;
    font-weight: var(--font-weight-semibold);
    font-size: 0.875rem;
    line-height: 1.2;
}

/* How It Works Section */
.how-it-works {
    padding: var(--space-20) 0;
    background-color: var(--gray-50);
}

.steps-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-8);
}

@media (min-width: 768px) {
    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .steps-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.step {
    text-align: center;
    padding: var(--space-8);
    background-color: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    position: relative;
}

.step:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-blue), var(--light-cyan));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    margin: 0 auto var(--space-6);
    box-shadow: var(--shadow-md);
}

.step-title {
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
    color: var(--gray-900);
    margin-bottom: var(--space-3);
}

.step-description {
    color: var(--gray-600);
    line-height: 1.5;
}

/* Download Section */
.download {
    padding: var(--space-20) 0;
    background: linear-gradient(135deg, var(--gray-900) 0%, var(--gray-800) 100%);
    color: white;
    text-align: center;
}

.download-title {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    color: white;
    margin-bottom: var(--space-4);
}

@media (min-width: 768px) {
    .download-title {
        font-size: 3rem;
    }
}

.download-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-12);
}

.app-store-buttons {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-4);
    margin-bottom: var(--space-12);
}

@media (min-width: 640px) {
    .app-store-buttons {
        flex-direction: row;
        justify-content: center;
    }
}

.app-store-btn {
    transition: all var(--transition-fast);
}

.app-store-btn:hover {
    transform: translateY(-2px);
}

.app-store-btn img {
    height: 60px;
    width: auto;
}

.qr-codes {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-8);
}

@media (min-width: 640px) {
    .qr-codes {
        flex-direction: row;
        justify-content: center;
    }
}

.qr-code {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
}

.qr-code img {
    width: 120px;
    height: 120px;
    border-radius: var(--radius-lg);
    background-color: white;
    padding: var(--space-2);
}

.qr-label {
    font-weight: var(--font-weight-medium);
    color: rgba(255, 255, 255, 0.9);
}

/* Footer */
.footer {
    background-color: var(--gray-900);
    color: white;
    padding: var(--space-16) 0 var(--space-8);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-12);
    margin-bottom: var(--space-12);
}

@media (min-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr 2fr;
        gap: var(--space-16);
    }
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.footer-logo {
    width: 40px;
    height: 40px;
    filter: brightness(0) invert(1);
}

.footer-title {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    color: white;
}

.footer-tagline {
    color: var(--gray-400);
    font-style: italic;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
}

.footer-column {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-heading {
    font-size: 1rem;
    font-weight: var(--font-weight-semibold);
    color: white;
    margin-bottom: var(--space-2);
}

.footer-link {
    color: var(--gray-400);
    font-size: 0.875rem;
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid var(--gray-800);
    padding-top: var(--space-8);
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

.footer-copyright,
.footer-address {
    color: var(--gray-400);
    font-size: 0.875rem;
}

/* Responsive Utilities */
@media (max-width: 767px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .privacy-title {
        font-size: 2rem;
    }
    
    .download-title {
        font-size: 2rem;
    }
}

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

/* Focus styles for keyboard navigation */
.btn:focus,
.nav-link:focus,
.footer-link:focus {
    outline: none;
}

/* Remove blue outline from all links */
a:focus {
    outline: none;
}

/* Coming Soon Styles */
.coming-soon-banner {
    background: linear-gradient(135deg, var(--primary-blue), var(--light-cyan));
    border-radius: var(--radius-2xl);
    padding: var(--space-12);
    margin-bottom: var(--space-12);
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.coming-soon-content {
    max-width: 500px;
    margin: 0 auto;
}

.coming-soon-icon {
    font-size: 4rem;
    margin-bottom: var(--space-6);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

.coming-soon-title {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    color: white;
    margin-bottom: var(--space-4);
}

.coming-soon-description {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
    margin-bottom: 0;
}

.app-store-buttons.disabled {
    position: relative;
}

.app-store-btn.disabled {
    position: relative;
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

.coming-soon-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.4), rgba(0, 212, 255, 0.4));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(1px);
}

.overlay-text {
    color: white;
    font-weight: var(--font-weight-bold);
    font-size: 1.125rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.notify-section {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    margin-bottom: var(--space-12);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.notify-title {
    font-size: 1.5rem;
    font-weight: var(--font-weight-semibold);
    color: white;
    margin-bottom: var(--space-6);
}

.notify-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    max-width: 400px;
    margin: 0 auto var(--space-4);
}

@media (min-width: 640px) {
    .notify-form {
        flex-direction: row;
    }
}

.notify-input {
    flex: 1;
    padding: var(--space-3);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-lg);
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
    font-size: 1rem;
    backdrop-filter: blur(10px);
}

.notify-input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.notify-input:focus {
    outline: none;
    border-color: var(--light-cyan);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.3);
}

.notify-btn {
    white-space: nowrap;
    background-color: var(--light-cyan);
    color: var(--gray-900);
    border: none;
}

.notify-btn:hover {
    background-color: rgba(0, 212, 255, 0.9);
    color: var(--gray-900);
}

.notify-disclaimer {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
    margin: 0;
    font-style: italic;
}

.launch-features {
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.features-title {
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
    color: white;
    margin-bottom: var(--space-6);
    text-align: center;
}

.launch-features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-4);
}

@media (min-width: 640px) {
    .launch-features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

.launch-feature {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3);
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.launch-feature:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateX(4px);
}

.feature-check {
    color: var(--light-cyan);
    font-weight: var(--font-weight-bold);
    font-size: 1.125rem;
    flex-shrink: 0;
}

.launch-feature span:last-child {
    color: rgba(255, 255, 255, 0.9);
    font-weight: var(--font-weight-medium);
}

/* Device Compatibility Notice */
.device-compatibility-notice {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    margin-bottom: var(--space-12);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    text-align: center;
}

.compatibility-content {
    max-width: 600px;
    margin: 0 auto;
}

.compatibility-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-4);
    display: block;
}

.compatibility-title {
    font-size: 1.5rem;
    font-weight: var(--font-weight-semibold);
    color: white;
    margin-bottom: var(--space-4);
}

.compatibility-description {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
    margin-bottom: var(--space-6);
}

.compatibility-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--light-cyan);
    font-weight: var(--font-weight-medium);
    text-decoration: none;
    transition: all var(--transition-fast);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-lg);
    background-color: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
}

.compatibility-link:hover {
    color: white;
    background-color: var(--light-cyan);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

@media (min-width: 768px) {
    .compatibility-title {
        font-size: 1.75rem;
    }
    
    .compatibility-description {
        font-size: 1.125rem;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --gray-600: #000000;
        --gray-700: #000000;
        --gray-800: #000000;
        --gray-900: #000000;
    }
}