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

:root {
    /* Modern Light Color Palette with Green Theme */
    --primary-color: #059669;
    --primary-dark: #047857;
    --primary-light: #6ee7b7;
    --secondary-color: #f59e0b;
    --accent-color: #10b981;
    --background: #fafafa;
    --surface: #ffffff;
    --surface-light: #f8fafc;
    --text-primary: #064e3b;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;
    --border: #e5e7eb;
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #059669 0%, #10b981 50%, #6ee7b7 100%);
    --gradient-surface: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    --gradient-text: linear-gradient(135deg, #064e3b 0%, #059669 100%);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-glow: 0 0 20px rgb(5 150 105 / 0.2);
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 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;
    
    /* Animations */
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
}

body {
    font-family: var(--font-family);
    background: var(--background);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    position: relative;
}

/* Background Animation */
.background-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
}

.floating-element {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(135deg, #059669 0%, #10b981 50%, #6ee7b7 100%);
    opacity: 0.08;
    animation: float 20s infinite linear;
}

.element-1 {
    width: 80px;
    height: 80px;
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.element-2 {
    width: 120px;
    height: 120px;
    top: 60%;
    right: 15%;
    animation-delay: -5s;
}

.element-3 {
    width: 60px;
    height: 60px;
    top: 80%;
    left: 20%;
    animation-delay: -10s;
}

.element-4 {
    width: 100px;
    height: 100px;
    top: 30%;
    right: 30%;
    animation-delay: -15s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    25% {
        transform: translateY(-20px) rotate(90deg);
    }
    50% {
        transform: translateY(-40px) rotate(180deg);
    }
    75% {
        transform: translateY(-20px) rotate(270deg);
    }
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-lg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    z-index: 1;
}

/* Hero Section */
.hero-section {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

/* App Icon */
.app-icon-container {
    position: relative;
    display: inline-block;
    margin-bottom: var(--space-2xl);
}

.app-icon {
    width: 120px;
    height: 120px;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
    transition: transform var(--transition-normal);
    position: relative;
    z-index: 2;
}

.app-icon:hover {
    transform: scale(1.05) rotate(5deg);
}

.icon-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 140px;
    height: 140px;
    background: linear-gradient(135deg, #059669 0%, #10b981 50%, #6ee7b7 100%);
    border-radius: 50%;
    opacity: 0.15;
    filter: blur(20px);
    animation: pulse-glow 2s ease-in-out infinite alternate;
    z-index: 1;
}

@keyframes pulse-glow {
    0% {
        opacity: 0.15;
        transform: translate(-50%, -50%) scale(1);
    }
    100% {
        opacity: 0.25;
        transform: translate(-50%, -50%) scale(1.1);
    }
}

/* Typography */
.app-title {
    font-size: var(--font-size-6xl);
    font-weight: 700;
    background: var(--gradient-text);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: var(--space-lg);
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.subtitle {
    font-size: var(--font-size-2xl);
    color: var(--text-secondary);
    font-weight: 400;
    margin-bottom: var(--space-2xl);
    letter-spacing: -0.01em;
}

/* Coming Soon Badge */
.coming-soon-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: var(--gradient-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    padding: var(--space-sm) var(--space-lg);
    margin-bottom: var(--space-3xl);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.badge-text {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-pulse {
    width: 8px;
    height: 8px;
    background: var(--success);
    border-radius: 50%;
    animation: pulse-dot 1.5s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.5;
        transform: scale(1.2);
    }
}

/* Description */
.description {
    margin-bottom: var(--space-3xl);
}

.description p {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 600px;
    margin: 0 auto;
}

/* Features Preview */
.features-preview {
    display: flex;
    justify-content: center;
    gap: var(--space-2xl);
    flex-wrap: wrap;
    margin-bottom: var(--space-3xl);
}

.feature-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-lg);
    background: var(--gradient-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    min-width: 120px;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-md);
}

.feature-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.feature-icon {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--space-xs);
}

.feature-item span {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-primary);
    text-align: center;
}

/* Footer */
.footer {
    margin-top: auto;
    padding-top: var(--space-2xl);
    text-align: center;
}

.footer p {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: var(--space-md);
    }
    
    .app-title {
        font-size: var(--font-size-4xl);
    }
    
    .subtitle {
        font-size: var(--font-size-xl);
    }
    
    .app-icon {
        width: 100px;
        height: 100px;
    }
    
    .icon-glow {
        width: 120px;
        height: 120px;
    }
    
    .features-preview {
        gap: var(--space-lg);
    }
    
    .feature-item {
        min-width: 100px;
        padding: var(--space-md);
    }
}

@media (max-width: 480px) {
    .app-title {
        font-size: var(--font-size-3xl);
    }
    
    .subtitle {
        font-size: var(--font-size-lg);
    }
    
    .description p {
        font-size: var(--font-size-base);
    }
    
    .features-preview {
        flex-direction: column;
        align-items: center;
    }
}

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

/* Focus states for accessibility */
.app-icon:focus,
.feature-item:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --text-secondary: #ffffff;
        --text-muted: #cccccc;
        --border: #ffffff;
    }
}