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

:root {
    /* Colors - Light Theme (Default) */
    --primary-color: #00538C;
    --primary-dark: #003d6b;
    --primary-light: #0066a8;
    --text-dark: #1a1a1a;
    --text-medium: #4a4a4a;
    --text-light: #6b6b6b;
    --background: #ffffff;
    --background-light: #f8f9fa;
    --background-card: #ffffff;
    --border-color: #e0e0e0;
    --success: #10b981;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 60px rgba(0, 83, 140, 0.15);
    
    /* Typography */
    --font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;
}

/* Dark Theme */
[data-theme="dark"] {
    --primary-color: #0066a8;
    --primary-dark: #00538C;
    --primary-light: #3d8bc7;
    --text-dark: #e4e4e7;
    --text-medium: #a1a1aa;
    --text-light: #71717a;
    --background: #18181b;
    --background-light: #27272a;
    --background-card: #27272a;
    --border-color: #3f3f46;
    --success: #10b981;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 60px rgba(0, 102, 168, 0.3);
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===================================
   Container
   =================================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

/* ===================================
   Hero Section
   =================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    position: relative;
    overflow: hidden;
    padding: var(--spacing-xl) 0;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 83, 140, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 20s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(0, 83, 140, 0.05) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 15s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    50% {
        transform: translate(-30px, -30px) scale(1.1);
    }
}

/* Dark mode hero background */
[data-theme="dark"] .hero {
    background: linear-gradient(135deg, var(--background-light) 0%, var(--background) 100%);
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 1;
    max-width: 700px;
    margin: 0 auto;
}

.coming-soon-badge {
    display: inline-block;
    margin-bottom: var(--spacing-md);
    animation: slideDown 0.6s ease-out;
}

.coming-soon-badge span {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: var(--shadow-md);
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-title {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--text-dark);
    animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.brand-name {
    color: var(--primary-color);
    display: block;
    margin-top: var(--spacing-xs);
}

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

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: var(--font-weight-medium);
    color: var(--text-medium);
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.8s ease-out 0.3s backwards;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: var(--spacing-xl);
    animation: fadeInUp 0.8s ease-out 0.4s backwards;
}

/* App Store Buttons */
.app-store-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: center;
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 0.8s ease-out 0.5s backwards;
}

.store-button {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--background-card);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: not-allowed;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
    width: 100%;
    max-width: 280px;
    opacity: 0.7;
}

.store-button:disabled {
    cursor: not-allowed;
}

.store-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.store-icon {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
}

.store-button-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
}

.store-label {
    font-size: 0.75rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.store-name {
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    color: var(--text-dark);
}

.launch-notice {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    font-size: 0.875rem;
    color: var(--text-medium);
    animation: fadeInUp 0.8s ease-out 0.6s backwards;
}

.info-icon {
    width: 20px;
    height: 20px;
    color: var(--success);
}

/* ===================================
   Features Section
   =================================== */
.features {
    padding: var(--spacing-3xl) 0;
    background-color: var(--background);
}

.section-title {
    font-size: 2.25rem;
    font-weight: var(--font-weight-bold);
    text-align: center;
    margin-bottom: var(--spacing-md);
    color: var(--text-dark);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-light);
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.feature-card {
    background: var(--background-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    border: 1px solid var(--border-color);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary-color) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    transition: all var(--transition-normal);
}

.feature-icon svg {
    width: 32px;
    height: 32px;
    color: white;
}

.feature-title {
    font-size: 1.375rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-sm);
    color: var(--text-dark);
}

.feature-description {
    font-size: 1rem;
    color: var(--text-light);
    line-height: 1.7;
}

/* ===================================
   Trust & Compliance Section
   =================================== */
.trust {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--background-light) 0%, var(--background) 100%);
}

.trust-content {
    max-width: 100%;
}

.trust-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.trust-item {
    background: var(--background-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    border: 1px solid var(--border-color);
}

.trust-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.trust-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, rgba(0, 83, 140, 0.1) 0%, rgba(0, 83, 140, 0.05) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    transition: all var(--transition-normal);
}

.trust-item:hover .trust-icon {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
}

.trust-icon svg {
    width: 28px;
    height: 28px;
    color: var(--primary-color);
    transition: color var(--transition-normal);
}

.trust-item:hover .trust-icon svg {
    color: white;
}

.trust-item h3 {
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-sm);
    color: var(--text-dark);
}

.trust-item p {
    font-size: 0.9375rem;
    color: var(--text-light);
    line-height: 1.6;
}

/* ===================================
   Legal Pages
   =================================== */
.legal-header {
    background: var(--background-card);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.legal-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-logo {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.back-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-medium);
    text-decoration: none;
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
}

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

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

.legal-content {
    padding: var(--spacing-2xl) 0 var(--spacing-3xl);
    background: var(--background-light);
}

.legal-page {
    max-width: 800px;
    margin: 0 auto;
    background: var(--background-card);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.legal-title {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
}

.legal-update {
    font-size: 0.9375rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--border-color);
}

.legal-section {
    margin-bottom: var(--spacing-xl);
}

.legal-section:last-child {
    margin-bottom: 0;
}

.legal-section h2 {
    font-size: 1.75rem;
    font-weight: var(--font-weight-semibold);
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.legal-section h3 {
    font-size: 1.25rem;
    font-weight: var(--font-weight-medium);
    color: var(--text-medium);
    margin-bottom: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.legal-section p {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-medium);
    margin-bottom: var(--spacing-md);
}

.legal-section ul, .legal-section ol {
    margin-left: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.legal-section li {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-medium);
    margin-bottom: var(--spacing-xs);
}

.contact-info {
    background: var(--background-light);
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    border-left: 4px solid var(--primary-color);
}

.contact-info a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
}

.contact-info a:hover {
    text-decoration: underline;
}

/* Responsive adjustments for legal pages */
@media (max-width: 768px) {
    .legal-page {
        padding: var(--spacing-md);
    }
    
    .legal-title {
        font-size: 2rem;
    }
    
    .legal-section h2 {
        font-size: 1.5rem;
    }
    
    .legal-section h3 {
        font-size: 1.125rem;
    }
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: #1a1a1a;
    color: white;
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

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

.footer-brand {
    margin-bottom: var(--spacing-md);
}

.footer-logo {
    font-size: 1.75rem;
    font-weight: var(--font-weight-bold);
    color: #0066a8;
    margin-bottom: var(--spacing-xs);
}

.footer-tagline {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.7);
}

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

.footer-section h4 {
    font-size: 1rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-sm);
    color: white;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
}

.footer-section a:hover {
    color: #0066a8;
}

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

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-normal);
}

.social-link:hover {
    background: #00538C;
    transform: translateY(-3px);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-md);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: var(--spacing-xs);
}

.footer-disclaimer {
    font-size: 0.8125rem;
    line-height: 1.5;
}

/* ===================================
   Tablet Responsive Styles (768px+)
   =================================== */
@media (min-width: 768px) {
    .hero-title {
        font-size: 3.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.75rem;
    }
    
    .hero-description {
        font-size: 1.25rem;
    }
    
    .app-store-buttons {
        flex-direction: row;
        justify-content: center;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-xl);
    }
    
    .trust-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-xl);
    }
    
    .footer-content {
        grid-template-columns: 1.5fr 1fr;
    }
    
    .footer-links {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ===================================
   Desktop Responsive Styles (1024px+)
   =================================== */
@media (min-width: 1024px) {
    .hero-title {
        font-size: 4rem;
    }
    
    .section-title {
        font-size: 2.75rem;
    }
    
    .features-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .trust-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .footer-content {
        grid-template-columns: 2fr 3fr;
    }
}

/* ===================================
   Theme Toggle Button
   =================================== */
.theme-toggle {
    position: fixed;
    bottom: calc(var(--spacing-lg) + 70px);
    right: var(--spacing-lg);
    width: 56px;
    height: 56px;
    background: var(--background-card);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    z-index: 1000;
    box-shadow: var(--shadow-lg);
}

.theme-toggle:hover {
    transform: translateY(-5px) rotate(20deg);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.theme-toggle svg {
    width: 28px;
    height: 28px;
    color: var(--text-dark);
    transition: all var(--transition-normal);
}

.theme-toggle .sun-icon {
    display: none;
}

.theme-toggle .moon-icon {
    display: block;
}

[data-theme="dark"] .theme-toggle .sun-icon {
    display: block;
}

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

/* Adjust theme toggle on small screens */
@media (max-width: 480px) {
    .theme-toggle {
        width: 48px;
        height: 48px;
        bottom: calc(var(--spacing-md) + 60px);
        right: var(--spacing-md);
    }
    
    .theme-toggle svg {
        width: 24px;
        height: 24px;
    }
}

/* ===================================
   Back to Top Button
   =================================== */
.back-to-top {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
    z-index: 1000;
    text-decoration: none;
    color: white;
    opacity: 0;
    visibility: hidden;
    transform: translateY(100px);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary-color) 100%);
}

.back-to-top svg {
    width: 28px;
    height: 28px;
    transition: transform var(--transition-normal);
}

.back-to-top:hover svg {
    transform: translateY(-2px);
}

/* Hide on very small screens to avoid obstruction */
@media (max-width: 480px) {
    .back-to-top {
        width: 48px;
        height: 48px;
        bottom: var(--spacing-md);
        right: var(--spacing-md);
    }
    
    .back-to-top svg {
        width: 24px;
        height: 24px;
    }
}

/* ===================================
   Accessibility & Print Styles
   =================================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for accessibility */
a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Print styles */
@media print {
    .hero {
        min-height: auto;
        padding: var(--spacing-lg) 0;
    }
    
    .feature-card,
    .trust-item {
        page-break-inside: avoid;
    }
    
    .social-links {
        display: none;
    }
}