/* JGApps Unified CSS - Apple-Inspired Design System */

/* CSS Variables for Theme Support */
:root {
    /* Light Theme Colors */
    --color-text-primary: #1d1d1f;
    --color-text-secondary: #86868b;
    --color-text-tertiary: #6e6e73;
    --color-background: #ffffff;
    --color-background-secondary: #f5f5f7;
    --color-background-elevated: #ffffff;
    --color-border: #d2d2d7;
    --color-border-light: #f5f5f7;
    --color-accent: #007aff;
    --color-accent-hover: #0056cc;
    --color-success: #34c759;
    --color-warning: #ff9500;
    --color-error: #ff3b30;
    
    /* Glassmorphism */
    --glass-background: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(255, 255, 255, 0.18);
    --glass-backdrop: blur(20px);
    
    /* Shadows */
    --shadow-small: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 4px 20px rgba(0, 0, 0, 0.1);
    --shadow-large: 0 8px 40px rgba(0, 0, 0, 0.12);
    --shadow-hero: 0 25px 50px rgba(0, 0, 0, 0.25);
    
    /* Typography */
    --font-family-system: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, system-ui, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;
    --font-size-7xl: 4.5rem;
    
    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* Dark Theme */
:root[data-theme="dark"] {
    --color-text-primary: #f5f5f7;
    --color-text-secondary: #a1a1a6;
    --color-text-tertiary: #8e8e93;
    --color-background: #000000;
    --color-background-secondary: #1c1c1e;
    --color-background-elevated: #2c2c2e;
    --color-border: #38383a;
    --color-border-light: #48484a;
    --color-accent: #007aff;
    --color-accent-hover: #409cff;
    
    --glass-background: rgba(28, 28, 30, 0.8);
    --glass-border: rgba(255, 255, 255, 0.1);
    
    --shadow-small: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-medium: 0 4px 20px rgba(0, 0, 0, 0.3);
    --shadow-large: 0 8px 40px rgba(0, 0, 0, 0.4);
    --shadow-hero: 0 25px 50px rgba(0, 0, 0, 0.6);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    line-height: 1.6;
}

body {
    font-family: var(--font-family-system);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1.2;
    color: var(--color-text-primary);
}

h1 { font-size: var(--font-size-5xl); font-weight: 700; }
h2 { font-size: var(--font-size-4xl); font-weight: 600; }
h3 { font-size: var(--font-size-2xl); font-weight: 600; }
h4 { font-size: var(--font-size-xl); font-weight: 600; }
h5 { font-size: var(--font-size-lg); font-weight: 500; }
h6 { font-size: var(--font-size-base); font-weight: 500; }

p {
    color: var(--color-text-tertiary);
    line-height: 1.7;
}

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

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

/* Layout Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

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

.section-header h2 {
    margin-bottom: var(--space-4);
    font-size: var(--font-size-4xl);
    font-weight: 700;
    letter-spacing: -0.025em;
}

.section-header p {
    font-size: var(--font-size-xl);
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Skip Link */
.skip-link {
    position: absolute;
    top: -40px;
    left: var(--space-2);
    background: var(--color-accent);
    color: white;
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    z-index: 2000;
    transition: top var(--transition-normal);
}

.skip-link:focus {
    top: var(--space-2);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--glass-background);
    backdrop-filter: var(--glass-backdrop);
    -webkit-backdrop-filter: var(--glass-backdrop);
    border-bottom: 1px solid var(--glass-border);
    z-index: 1000;
    padding: var(--space-4) 0;
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    background: var(--glass-background);
    box-shadow: var(--shadow-small);
    border-bottom-color: var(--color-border);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-text-primary);
    text-decoration: none;
    transition: transform var(--transition-normal);
}

.logo:hover {
    transform: scale(1.05);
    color: var(--color-text-primary);
}

.nav-links {
    display: flex;
    gap: var(--space-8);
    list-style: none;
    align-items: center;
}

.nav-links a {
    color: var(--color-text-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: var(--font-size-base);
    transition: all var(--transition-normal);
    position: relative;
    padding: var(--space-2) 0;
}

.nav-links a:hover {
    color: var(--color-accent);
    transform: translateY(-1px);
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--color-accent);
    border-radius: var(--radius-full);
}

.nav-controls {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.theme-toggle {
    background: none;
    border: none;
    font-size: var(--font-size-xl);
    cursor: pointer;
    padding: var(--space-2);
    border-radius: var(--radius-full);
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1001;
}

.theme-toggle:hover {
    background: var(--color-background-secondary);
    transform: scale(1.1);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 24px;
    height: 24px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
}

.mobile-menu-btn span {
    display: block;
    height: 2px;
    width: 100%;
    background: var(--color-text-primary);
    border-radius: var(--radius-full);
    transition: all var(--transition-normal);
    transform-origin: center;
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

.mobile-nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6); /* strong dim; works in light & dark */
    backdrop-filter: var(--glass-backdrop);
    -webkit-backdrop-filter: var(--glass-backdrop);
    z-index: 999;
    opacity: 0;
    visibility: hidden;        /* add */
    pointer-events: none;      /* add */
    transition: opacity var(--transition-normal), visibility var(--transition-normal);
    display: block;            /* keep it block on mobile via your media query */
}

.mobile-nav-overlay.active {
    opacity: 1;
    visibility: visible;       /* add */
    pointer-events: auto;      /* add */
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100vh;
    gap: var(--space-8);
    list-style: none;
}

.mobile-nav-links a {
    font-size: var(--font-size-3xl);
    font-weight: 600;
    color: var(--color-text-primary);
    text-decoration: none;
    transition: all var(--transition-normal);
}

.mobile-nav-links a:hover,
.mobile-nav-links a.active {
    color: var(--color-accent);
    transform: scale(1.05);
}

/* Buttons */
.btn-primary,
.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-6);
    border-radius: var(--radius-xl);
    font-weight: 600;
    font-size: var(--font-size-base);
    text-decoration: none;
    transition: all var(--transition-normal);
    cursor: pointer;
    border: none;
    text-align: center;
    justify-content: center;
}

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

.btn-primary:hover {
    background: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
    color: white;
}

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

.btn-secondary:hover {
    background: var(--color-background-secondary);
    transform: translateY(-1px);
    color: var(--color-text-primary);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-background);
    position: relative;
    overflow: hidden;
    padding: var(--space-24) var(--space-6) var(--space-16);
}

.hero-container {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    background: var(--color-background-secondary);
    color: var(--color-text-primary);
    padding: var(--space-2) var(--space-5);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 500;
    margin-bottom: var(--space-6);
    border: 1px solid var(--color-border);
    animation: fadeInUp 0.8s var(--transition-bounce);
}

.hero-badge span:first-child {
    background: var(--color-accent);
    color: white;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.hero h1 {
    font-size: clamp(var(--font-size-4xl), 8vw, var(--font-size-7xl));
    font-weight: 700;
    margin-bottom: var(--space-6);
    letter-spacing: -0.03em;
    line-height: 1.1;
    animation: fadeInUp 0.8s var(--transition-bounce) 0.1s both;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-10);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 0.8s var(--transition-bounce) 0.2s both;
}

.hero-actions {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--space-8);
    animation: fadeInUp 0.8s var(--transition-bounce) 0.3s both;
}

.hero-visual {
    position: absolute;
    top: 50%;
    right: -10%;
    transform: translateY(-50%);
    opacity: 0.1;
    z-index: 1;
    animation: floatIn 1s var(--transition-bounce) 0.5s both;
}

.floating-cards {
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
}

.app-card {
    background: var(--color-background-elevated);
    border-radius: var(--radius-2xl);
    padding: var(--space-6);
    box-shadow: var(--shadow-large);
    border: 1px solid var(--color-border-light);
    display: flex;
    align-items: center;
    gap: var(--space-4);
    min-width: 280px;
    animation: float 6s ease-in-out infinite;
}

.app-card.card-1 {
    animation-delay: 0s;
}

.app-card.card-2 {
    animation-delay: 3s;
    margin-left: var(--space-8);
}

.app-card-icon {
    font-size: var(--font-size-3xl);
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-background-secondary);
    border-radius: var(--radius-xl);
}

.app-card-content h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-1);
    color: var(--color-text-primary);
}

.app-card-content p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* Features Section */
.features-section {
    background: var(--color-background-secondary);
    padding: var(--space-24) 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-8);
}

.feature-card {
    background: var(--color-background-elevated);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    text-align: center;
    box-shadow: var(--shadow-small);
    border: 1px solid var(--color-border-light);
    transition: all var(--transition-normal);
}

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

.feature-icon {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--space-4);
    display: block;
}

.feature-card h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-4);
    color: var(--color-text-primary);
}

.feature-card p {
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* Apps Section */
.apps-section {
    background: var(--color-background);
    padding: var(--space-24) 0;
}

.apps-showcase {
    display: flex;
    flex-direction: column;
    gap: var(--space-12);
}

.app-showcase {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-12);
    align-items: center;
    background: var(--color-background-elevated);
    border-radius: var(--radius-2xl);
    padding: var(--space-10);
    box-shadow: var(--shadow-small);
    border: 1px solid var(--color-border-light);
    transition: all var(--transition-normal);
}

.app-showcase:hover {
    box-shadow: var(--shadow-medium);
    transform: translateY(-2px);
}

.app-showcase.featured {
    background: linear-gradient(135deg, var(--color-background-elevated) 0%, var(--color-background-secondary) 100%);
}

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

.app-showcase-icon {
    width: 120px;
    height: 120px;
    border-radius: var(--radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-background-secondary);
    box-shadow: var(--shadow-medium);
    font-size: var(--font-size-4xl);
}

.app-showcase-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: var(--radius-2xl);
}

.app-showcase-icon.placeholder {
    background: linear-gradient(135deg, var(--color-accent) 0%, #5856d6 100%);
    color: white;
}

.app-badge {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    margin-bottom: var(--space-4);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.app-badge.free {
    background: var(--color-success);
    color: white;
}

.app-badge.coming-soon {
    background: var(--color-warning);
    color: white;
}

.app-showcase h3 {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--space-4);
    color: var(--color-text-primary);
}

.app-description {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-6);
    line-height: 1.6;
}

.app-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    margin-bottom: var(--space-8);
}

.app-feature {
    background: var(--color-background-secondary);
    color: var(--color-text-primary);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 500;
    border: 1px solid var(--color-border);
}

.app-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    background: var(--color-accent);
    color: white;
    padding: var(--space-4) var(--space-6);
    border-radius: var(--radius-xl);
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-normal);
    font-size: var(--font-size-base);
}

.app-link:hover {
    background: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
    color: white;
}

/* Footer */
.footer {
    background: var(--color-background-elevated);
    border-top: 1px solid var(--color-border);
    padding: var(--space-20) 0 var(--space-10);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-16);
    margin-bottom: var(--space-12);
}

.footer-brand .footer-logo {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--space-4);
}

.footer-brand p {
    color: var(--color-text-secondary);
    font-size: var(--font-size-base);
}

.footer-nav {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-8);
}

.footer-nav-section h4 {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-4);
}

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

.footer-nav-section ul li {
    margin-bottom: var(--space-2);
}

.footer-nav-section a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: color var(--transition-normal);
}

.footer-nav-section a:hover {
    color: var(--color-text-primary);
}

.footer-bottom {
    padding-top: var(--space-8);
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.copyright {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

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

@keyframes floatIn {
    from {
        opacity: 0;
        transform: translateY(-50%) translateX(50px);
    }
    to {
        opacity: 0.1;
        transform: translateY(-50%) translateX(0);
    }
}

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

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-visual {
        display: none;
    }
    
    .app-showcase {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-8);
        text-align: center;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .mobile-nav-overlay {
        display: block;
    }
    
    .hero {
        padding: var(--space-16) var(--space-4) var(--space-12);
        min-height: 80vh;
    }
    
    .hero h1 {
        font-size: var(--font-size-4xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-lg);
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .app-showcase-icon {
        width: 80px;
        height: 80px;
        font-size: var(--font-size-3xl);
    }
    
    .section-header h2 {
        font-size: var(--font-size-3xl);
    }
    
    .container {
        padding: 0 var(--space-4);
    }
}

@media (max-width: 480px) {
    .hero-badge {
        flex-direction: column;
        text-align: center;
        gap: var(--space-1);
    }
    
    .app-features {
        justify-content: center;
    }
    
    .footer-nav {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

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

/* Print Styles */
@media print {
    .navbar,
    .mobile-nav-overlay,
    .hero-visual,
    .theme-toggle,
    .mobile-menu-btn {
        display: none !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
    
    .hero {
        min-height: auto;
        padding: var(--space-8) 0;
    }
}